Though many single-celled lifeforms have evolved to survive without oxygen, multicellular organisms have always been believed to need it to live. Now, scientists in Tel Aviv, Is...

BBC Earth host Lizzie Daly and underwater photographer Dan Abbott released several videos of exciting encounters with marine animals off the English coast from July 7 to July 13...

Paleontologists have long determined that modern-day birds evolved from smaller members of the two-legged, meat-eating theropods, such as velociraptors. However, for many years,...