Fresh findings about arm and leg bones advance the debate over whether Sahelanthropus tchadensis was bipedal, but not ...

In the mice with large-brain primate microbes, the researchers found increased expression of genes associated with energy ...

What would aliens really look like? Explore science-based evolution, symmetry, bizarre worlds, and intelligent life ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

A global catalog shows how creatures across the tree of life balance rigidity with flexibility in remarkably consistent ways ...

One of the most complete human ancestor fossils ever found may belong to an entirely new species, according to an ...

Ancient England snake fossil Paradoxophidion helps explain how modern snakes evolved during warm humid Eocene period.

A seven-million-year-old fossil may rewrite human origins, showing our ancestors were walking upright far earlier than anyone expected.

In the age of dinosaurs—before whales, great whites or the bus-sized megalodon—a monstrous shark prowled the waters off ...

Mammals keep evolving into anteaters, eating only ants and termites, at least 12 times since the age the dinosaurs.

But some Neanderthal DNA helped modern humans survive and reproduce, and thus it has lingered in our genomes. Nowadays, ...

Something very significant has been happening in plain sight, and almost no one seems to be noticing. Over the past few years, there have been televised congressional hearings, repeated news segments ...