A new study by University of Arizona researchers bolsters the case that fossilized footprints in White Sands, New Mexico, are ...

Iridium is relatively rare in Earth's crust but is more abundant in stony meteorites, which led the Alvarezs to conclude that the mass extinction was caused by an extraterrestrial object.

The notion of bringing vanished species back to life—some call it de-extinction—has hovered at the boundary between reality and science fiction for more than two decades, ever since novelist ...

Humans have driven sharks and their cousins to the brink of extinction. The health of the entire ocean is at stake.

If ever there was a poster child for human-caused extinction, it was the Dodo. This odd-looking flightless bird, native to the remote island of Mauritius in the Indian Ocean, was first encountered by ...

New fossil evidence shows that South America’s extinct mastodons were vital seed dispersers, and their loss still haunts ...

In the 80's the median age for first-time homebuyers was 29. That grew to 35 in 2023 and spiked to 38 in just one year, 2024.

U.S. officials proposed Monday to protect the pangolin, a small, nocturnal mammal covered in scales, under the Endangered ...