Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago.

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

A river in Australia may have been flowing for 300 to 400 million years, long before dinosaurs existed. How did the ancient Finke River survive dramatic geological changes for so long?

Mosquitoes may have started targeting humans millions of years ago, possibly during the spread of Homo erectus in Southeast Asia.

How ancient gene transfers, genomes, and pollination shaped moths and butterflies - and why their sudden decline is raising ...

For the first time ever, scientists have uncovered a vast field of tektites in Brazil — mysterious glassy fragments forged when a powerful extraterrestrial object slammed into Earth about 6.3 million ...

For decades, Paranthropus boisei, an early hominin that roamed eastern Africa a million years ago, was known for its gigantic jaw and powerfully constructed biting muscles. Its coarse-grass and reed ...

A new study suggests that the deadly insects evolved their taste for human blood much earlier than previously thought, around when Homo erectus migrated into Southeast Asia ...

Mosquitoes have been biting people for more than a million years and probably much longer. An analysis of 38 modern mosquitoes’ DNA suggests an ancestral mosquito species developed a preference for ...

An ancient skull, warped and damaged by the ravages of time and degradation, may have just altered our understanding of the history of modern humans. Using careful 3D scanning and digital ...

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...