Origin of birds confirmed by exceptional new dinosaur fossils

(PhysOrg.com) -- Chinese scientists today reveal the discovery of five remarkable new feathered dinosaur fossils which are significantly older than any previously reported. The new finds are indisputably older than Archaeopteryx, ...

Ancient fossils confirmed among our strangest cousins

More than 100 years since they were first discovered, some of the world's most bizarre fossils have been identified as distant relatives of humans, thanks to the work of University of Adelaide researchers.

With climate changes, polar bear and brown bear lineages intertwine

Polar bears' unique characteristics allow them to survive in one of the most extreme environments on Earth, but that survival is now threatened as rising temperatures and melting ice reshape the Arctic landscape. Now it appears ...