More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, ...

A team of NASA researchers and experts from Toho University in Japan have collaborated to establish a timeline for humanity’s ...

Researchers took advantage of a rare chance to explore a new expanse of seafloor exposed by the breakup of an Antarctic ice ...

New types of foraminifera and sea urchins replaced those that had died off in earlier mass extinctions. But the biggest development in the seas was the appearance of whales in the mid- to late ...