Archaeologists in Texas recently discovered prehistoric megafauna bones, including a giant ground sloth, during a highway project in Lubbock, according to officials.

This challenges certain theories cited as reasons for mammalian megafauna extinction. "The ages obtained in this analysis, together with archaeological evidence, demonstrate that the Overkill and ...

What comes to mind when you think of the prehistoric world? For many, it is dinosaurs, the fierce and powerful stars of the Mesozoic era, which spanned from about 251 to 66 million years ago.

The company’s press release claimed the pups to be “the world’s first de-extinct animals … brought back from extinction using ... for preying on now-extinct megafauna like ground sloths ...

They likely had little need to travel to find food. The extinction of Australia’s megafauna – long-vanished beasts such the “marsupial lion” Thylacoleo and the three-tonne Diprotodon – has long been ...

Study: Threshold fertility for the avoidance of extinction under critical conditions. Image Credit: sogane / Shutterstock In a recent article published in the journal PLoS ONE, researchers ...

The Tasmanian Tiger was last seen in its native habitat in 1936 Madison E. Goldberg received her B.S. in Journalism and double minors in publishing and photography from Emerson College in 2022 ...

RAND takes big threats to humanity seriously, so I, skeptical about AI’s human extinction potential, proposed a project to research whether it could. If you're enjoying this article, consider ...

These machines dig through huge piles of geological and climate data to trace how events unfolded during Earth's most famous extinction. “We flipped the usual approach,” said Alex Cox ...

Massive Megatherium sloths once stood as large as Asian elephants, ripping foliage off treetops with prehensile tongues like ...

May 20, 2025 — A novel analysis suggests more than 3,500 animal species are threatened by climate change and also sheds light on huge gaps in fully understanding the risk to the animal ..

A new fossil and DNA analysis traces how dozens of sloth species responded to climate shifts and humans. Just two small tree-dwelling sloths remain today.