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Scientists see downsides to top COVID-19 vaccines from Russia, China

(This August 31 story is refiled to add dropped word founding to Ertl’s title in paragraph 13) By Allison Martell and Julie Steenhuysen TORONTO/CHICAGO (Reuters) – High-profile COVID-19 vaccines developed in Russia and China share a potential shortcoming: They... More »

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Algeria approves more measures to ease coronavirus lockdown

ALGIERS (Reuters) – Algerian authorities said on Monday they will carry out further measures to ease a coronavirus lockdown from Sept. 1, including lifting a ban on some cultural activities such as reopening museums and libraries. Nurseries would also be reope... More »

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Mammal-like Triassic creature beat polar winters by hibernating

WASHINGTON (Reuters) – The tusks of a stoutly built plant-eating mammal relative that inhabited Antarctica 250 million years ago are providing the oldest-known evidence that animals resorted to hibernation-like states to get through lean times such as polar wi... More »

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Mystery of the dimming of massive star Betelgeuse explained

WASHINGTON (Reuters) – Astronomers have determined the cause of the dramatic dimming observed last year and earlier this year of one of the brightest stars in the night sky, a colossus called Betelgeuse that appears to be on its way toward a violent death. Bas... More »

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Special Report: COVID opens new doors for China’s gene giant

SYDNEY (Reuters) – As countries scramble to test for the novel coronavirus, a Chinese company has become a go-to name around the world. BGI Group, described in one 2015 study as “Goliath” in the fast-growing field of genomics research, is using an opening crea... More »

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‘Gnarly’ tumor shows dinosaurs got cancer, too

WASHINGTON (Reuters) – When scientists first unearthed fossils of a horned dinosaur called Centrosaurus in the badlands of Dinosaur Provincial Park in Canada’s Alberta province in 1989, they spotted a badly malformed leg bone they figured was a healed fracture... More »

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There may never be a ‘silver bullet’ for COVID-19, WHO warns

GENEVA (Reuters) – The World Health Organization warned on Monday that, despite strong hopes for a vaccine, there might never be a “silver bullet” for COVID-19, and the road to normality would be long. More than 18.14 million people around the world are report... More »

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Next big COVID-19 treatment may be manufactured antibodies

(Reuters) – As the world awaits a COVID-19 vaccine, the next big advance in battling the pandemic could come from a class of biotech therapies widely used against cancer and other disorders – antibodies designed specifically to attack this new virus. Developme... More »

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NASA astronauts riding SpaceX capsule poised for Sunday return

(Reuters) – The two NASA astronauts who rode to the International Space Station aboard SpaceX’s new Crew Dragon are heading home for a Sunday splashdown in the Gulf of Mexico, capping a two-month voyage in space that marked NASA’s first crewed mission from hom... More »

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NASA launches new rover to search for signs of past Martian life

(This July 30 story refiles to add details on previous NASA rovers, landers) By Joey Roulette (Reuters) – NASA’s next-generation Mars rover Perseverance blasted off from Florida’s Cape Canaveral on Thursday atop an Atlas 5 rocket on a $2.4 billion mission to s... More »

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Scientists solve mystery of the origin of Stonehenge megaliths

(Reuters) – Scientists have solved an enduring mystery about Stonehenge, determining the place of origin of many of the megaliths that make up the famed monument in Wiltshire, England, thanks to a core sample that had been kept in the United States for decades... More »

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NASA set to launch robotic rover to seek signs of past Martian life

(Reuters) – NASA is set to launch an ambitious mission to Mars on Thursday with the liftoff of its next-generation Perseverance rover, a six-wheeled robot tasked with deploying a mini helicopter, testing out equipment for future human missions and searching fo... More »

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Woolly mammoth skeleton found in lake in Russia’s Arctic

MOSCOW (Reuters) – Russian scientists are poring over the stunningly well-preserved bones of an adult woolly mammoth that roamed the earth at least 10,000 years ago, after local inhabitants discovered its remains in the shallows of a north Siberian lake. Part ... More »

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Scientists identify 37 recently active volcanic structures on Venus

WASHINGTON (Reuters) – Scientists have identified 37 volcanic structures on Venus that appear to be recently active – and probably still are today – painting the picture of a geologically dynamic planet and not a dormant world as long thought. The research foc... More »

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United Arab Emirates launches mission to Mars

DUBAI (Reuters) – The United Arab Emirates launched its first mission to Mars on Monday as it strives to develop its scientific and technological capabilities and reduce its reliance on oil. The Hope Probe blasted off from Japan’s Tanegashima Space Center at 1... More »

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Steroid’s COVID-19 benefits confirmed- spotlight on immune cells

(Reuters) – The following is a brief roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus. Full dexamethasone trial results released The full results... More »

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SpaceX capsule carrying NASA astronauts slated for August 2 return

WASHINGTON (Reuters) – The NASA astronauts who traveled to the International Space Station in SpaceX’s first crewed flight in May are expected to return to Earth on Aug. 2 after spending two months in orbit, a NASA spokesman said on Friday. U.S. astronauts Bob... More »

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UAE aims to launch Mars mission on July 20: Dubai Media Office

DUBAI (Reuters) – The United Arab Emirates said on Friday it would launch its mission to Mars on July 20, depending on weather conditions at the launch site in Japan, Dubai’s media office said on Twitter. The launch of the UAE’s Hope Probe from Japan’s Tanegas... More »

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UAE reschedules Mars mission launch to between July 20 and July 22

DUBAI (Reuters) – The United Arab Emirates has rescheduled the launch of its mission to Mars to a preliminary window between July 20 and July 22, depending on weather conditions at the launch site in Japan, the government’s communications office said on Thursd... More »

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UAE postpones Mars mission again due to weather at Japan launch site

DUBAI (Reuters) – The United Arab Emirates has postponed the launch of its mission to Mars for a second time due to weather conditions at the launch site in Japan, the government’s communications office said on Wednesday. A new launch date in July will be anno... More »

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German study shows low coronavirus infection rate in schools

BERLIN (Reuters) – Very few of 2,000 school children and teachers tested in the German state of Saxony showed antibodies to COVID-19, a study found on Monday, suggesting schools may not play as big a role in spreading the virus as some had feared. Germany bega... More »

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UK government to make Huawei statement on Tuesday

LONDON (Reuters) – British minister Oliver Dowden will make a statement to parliament on Huawei some time after 1130 GMT on Tuesday, the opposition Labour Party said on Twitter. Britain is set to ban Huawei from Britain’s 5G network in a landmark decision that... More »

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Scientists warn of potential wave of COVID-linked brain damage

LONDON (Reuters) – Scientists warned on Wednesday of a potential wave of coronavirus-related brain damage as new evidence suggested COVID-19 can lead to severe neurological complications, including inflammation, psychosis and delirium. A study by researchers a... More »

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Make a vaccine? I’m trying to teach my kids the alphabet

LONDON/BERLIN/MILAN (Reuters) – It’s tough to do any useful work when you’re stuck at home, struggling to home-school bickering kids, let alone when you’re trying to produce a COVID-19 vaccine. British drugmaker AstraZeneca (AZN.L) had spent years preparing fo... More »

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Rocket Lab vehicle fails to reach orbit, loses payload of satellites

(Reuters) – A rocket from small-satellite launch firm Rocket Lab failed to reach orbit minutes after a successful liftoff from New Zealand on Saturday, the company said, losing its payload of seven small satellites it had intended to carry to space. “An issue ... More »

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Prehistoric ochre mining operation found in submerged Mexican caves

WASHINGTON (Reuters) – Researchers diving into dark submerged caves on Mexico’s Yucatan Peninsula have found evidence of an ambitious mining operation starting 12,000 years ago and lasting two millennia for red ochre, an earth mineral pigment prized by prehist... More »

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Writing on the wall: Congolese murals counter COVID-19 denial

KINSHASA (Reuters) – In central Kinshasa, freshly painted murals show traditional idols wearing medical masks or applying hand sanitiser, part of an art initiative to counter public disbelief in the face of the coronavirus pandemic sweeping Democratic Republic... More »

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Italy’s Cassandra: the scientist who challenged WHO guidelines

ROME (Reuters) – Andrea Crisanti says his one regret is that he didn’t yell loudly enough at the beginning, when the dead had yet to pile up.  The Italian virologist has become a medical celebrity at home, a contrarian who broke with initial  World Health  Org... More »

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It is rocket science: EU to speed up space ambitions, Breton says

PARIS (Reuters) – The European Union will plough more money into rocket launches, satellite communication and space exploration to preserve its often unsung successes in space and keep up with US and Chinese ambitions, its space chief said on Sunday. Over the ... More »

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Bear-sized wombat cousin roamed Australia 25 million years ago

WASHINGTON (Reuters) – A powerfully built relative of modern wombats that was the size of a black bear roamed Australia’s woodlands about 25 million years ago, possessing shovel-shaped hands and strong forelimbs indicating it was an adept digger, scientists sa... More »

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Frigid dwarf planet Pluto may have started out its life as a hothead

(This June 22 story corrects Fahrenheit conversion of surface temperature in parapagrah 6) By Will Dunham WASHINGTON (Reuters) – Pluto, a frigid little world inhabiting the solar system’s outer reaches, may have been born as a warmer place sheltering a subsurf... More »

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Film, pop stars line up for global COVID-19 fundraising gig

LONDON (Reuters) – International music and film stars will headline a globally televised and streamed fundraising concert on Saturday to help fight COVID-19 as part of a joint initiative by the advocacy group Global Citizen and the European Commission. The ini... More »

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China postpones Beidou satellite launch over technical problem

BEIJING (Reuters) – China indefinitely postponed on Tuesday the launch of the final satellite of its Beidou navigation network because of technical problems in the rocket meant to launch it into orbit. The official website for the Beidou network said in a stat... More »

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Up to 17 infected, 11 dead in new Ebola outbreak in Congo

KINSHASA (Reuters) – The Democratic Republic of Congo has recorded up to 17 Ebola cases in a new outbreak of the deadly virus in the western province of Equateur, and 11 of those infected have died, medical authorities said on Monday. The authorities had repor... More »

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Anti-racism protest signs, murals destined for U.S. Smithsonian

WASHINGTON (Reuters) – Days into nationwide protests over the killing of George Floyd, demonstrators began to fill a tall fence in front of the White House with posters, flowers, paintings and photos in honor of black men, women and children who have lost thei... More »

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Researchers in Thailand testing horseshoe bats for coronavirus

BANGKOK (Reuters) – Researchers in Thailand began collecting samples from horseshoe bats to test them for coronavirus amid concerns they may pose a threat to local residents, a government statement said on Saturday. They plan to collect 300 bats over three day... More »

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Vietnam schoolgirl creates art from the chaos of the coronavirus

HANOI (Reuters) – Stuck at home with school suspended, Nguyen Doi Chung Anh made the most of a lockdown in Vietnam by using art to demonstrate tragedy, resilience and chaos in the world’s battle against the coronavirus. The work of 10-year-old Chung Anh shows ... More »

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Researchers in Chile unearth 74 million year old mammal teeth

SANTIAGO (Reuters) – Chilean and Argentine researchers have unearthed teeth in far-flung Patagonia belonging to a mammal that lived 74 million years ago, the oldest such remains yet discovered in the South American country, the Chilean Antarctic Institute repo... More »

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Tiny 13,500-year-old bird statuette shows origins of Chinese art

WASHINGTON (Reuters) – A tiny statuette of a bird carved from burnt bone about 13,500 years ago reveals the origins of Chinese art, embodying a style different from prehistoric three-dimensional artwork by people in other parts of the world, researchers said o... More »

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Scientists create embryo-like research model from human stem cells

LONDON (Reuters) – Scientists have used human embryonic stem cells to create an embryo-like research model to help them study some of the earliest stages of human development. The model overcomes some of the ethical restrictions on using human embryos for rese... More »

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World’s largest green turtle colony nearly twice as big as thought

SYDNEY (Reuters) – The world’s largest population of nesting green turtles is nearly twice as big as previously thought, scientists said on Wednesday, after drones enabled better surveys of the animals. Australian scientists determined that there were about 64... More »