Ten thousand years ago, the Americas teemed with mastodons, giant ground sloths, and saber-toothed cats. Within a few ...

Sudden deaths : the chronology of terminal Pleistocene megafaunal extinction / Stuart Fiedel -- Estimates of Clovis-era megafaunal populations and their extinction risks / Gary Haynes -- Paleobiology ...

New species identified: Fossil analysis revealed Western Australia's extinct koala was distinct from the modern eastern species, with unique skull grooves and skeletal features. Ancient extinction ...

Dr Mariya Antonosyan, Dr Torben Rick, and Prof Nicole Boivin are co-authors of a new Frontiers in Mammal Science article in which they used new methods to identify fossil bone fragments housed at the ...

The Anthropocene and the earth system -- A Short detour: the fossil record and the geological time scale -- The Origin of animals and the emergence of the earth system -- Documenting ancient ...

(Santa Barbara, Calif.) — Researchers continue to build on a body of evidence for a fragmented comet that is thought to have exploded over the Earth almost 13,000 years ago, which may have had a role ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Firefighters in Los Angeles continue to battle devastating wildfires that have killed at least 27 people and left thousands of homes destroyed. A new fire also provoked evacuation orders north of the ...