Homo erectus skulls from China’s Yunxian archaeological site revealed ages close to two million years—a million years older ...

An ancient hornless rhino fossil found in the Canadian Arctic, Epiaceratherium itjilik, shows rhinos once lived much farther north.

OpenAI's Sam Altman says AI's water concerns are "totally fake." The truth about AI's impact on natural resources is more complicated.

A resurrected ancient enzyme is helping scientists test how reliably Earth’s oldest rocks record signs of life.

Analyst data estimates that the low-emissions hydrogen industry either committed to final investment decisions or started ...

A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

The most complete known Australopithecus fossil, dubbed “Little Foot,” now has a face, albeit ...

Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, ...

Do the bones of all Nile crocodiles have the same number of growth marks as their age? And can such growth rings be counted to accurately gauge the age of these reptiles? Is this also an accurate ...

Much of our understanding of Earth's past is derived from stratigraphic records exposed in rock outcrops or recovered from drilled cores. These records span immense time intervals, from thousands to ...