A new study of two 600-year-old surgical tools from a Ming Dynasty tomb in eastern China has identified probable residues of ...

A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ...

Across continents and cultures, one of the most striking features of ancient rock art is how often it places the natural ...

Early eukaryotes, the lineage that later gave rise to animals, plants and fungi, may have depended on oxygen from the start.

Ready for a “root” awakening? Towering fossilized tree trunks entombed upright in layers of rock across the US are stirring ...

As humans alter the planet’s climate and ecosystems, scientists are looking to Earth’s history to help predict what may unfold from climate change. To this end, massive ice structures like glaciers ...

How do we understand past societies? For centuries, our main sources of information have been pottery sherds, burial sites, and ancient texts. But the study of ancient DNA is changing what we know ...

Seventy-three million years ago, in Alaska's dark and frozen landscape, a group of small, rodent-like creatures was quietly ...

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