Hundreds of well-preserved tracks may resolve a debate about how an ancient marine predator trawled the oceans.
Find out everything there is to know about extinction and stay updated on the latest extinction news with the comprehensive articles, interactive features and pictures at LiveScience. Learn more about amazing discoveries scientists are making as they uncover the causes and other details of mass extinctions throughout history.
Microbes may have caused Earth's biggest extinction by producing huge amounts of atmosphere-choking methane, new research suggests.
A quarter of the world's sharks and rays are at risk of extinction, according to a new assessment by the International Union for Conservation of Nature (IUCN).
In the next 10 years, the tropics will undergo "unprecedented" climate change effects, long before the Arctic sees big shifts, according to an analysis of global warming trends published today.
A new European lineage of woolly mammoths has been discovered, broadening researchers' understanding of this enigmatic paleofauna.