In the Cretaceous period, Earth was plagued by widespread volcanic activity, oceanic oxygen depletion events, and mass extinctions. Fossils from that era remain and continue to give scientists clues ...
June 12 (UPI) --Researchers in Australia say a set of 100-million-year-old fossilized bones found in western Queensland are from a newly identified species of pterosaur, a fearsome flying reptile from ...
A new study finds that one of the hottest periods in Earth's history may have driven lampreys apart -- genetically speaking. The work could have implications for how aquatic species respond to our ...