A fish-eating reptile called Dinocephalosaurus, which lived about 245 million years ago during the Triassic Period, is pictured in this artist’s reconstruction handout image showing the rough position of the embryo within the mother. Dinghua Yang/Handout via R... More »
Artist’s reconstruction of Saccorhytus coronarius, based on the original fossil finds, whose actual size was probably no more than a millimeter in size, is shown in this image released on January 30, 2017. Courtesy Illustration by Jian Han/Handout via REUTERS ... More »
WASHINGTON More than half a billion years ago, a peculiar little creature with rows of spikes on its back and delicate, feather-like front limbs to strain bits of food from the water thrived in the primordial seas of what is now China. Scientists on Monday ann... More »
WASHINGTON It was a creature so strange that experts literally could not make heads nor tails of it. But scientists said on Wednesday a new analysis of fossils of Hallucigenia, so named for its fantastical appearance, has given them for the first time a comple... More »
