But this new finding "definitively places humans in North America at time when the ice sheet-curtains were very firmly closed," Sally Reynolds, a paleoecologist at Bournemouth University in ...

The work confirms a 2021 study’s findings ... they arrived from the north about 13,000 years ago, as the ice sheets across North America were retreating. (The Clovis are named after a town ...

“This obviously shows that people were in what is now Southern New Mexico 23,000 years ago, well south of the coalesced Laurentide and Cordilleran ice sheets,” USGS research geologist Kathleen ...

Aristos is a Newsweek science and health reporter with the London, U.K., bureau. He is particularly focused on archaeology and paleontology, although he has covered a wide variety of topics ...

Following up a on study in 2021 of tracks ... place people deep in the North American continent at the height of the Last Glacial Maximum. During that time, ice sheets up to two miles thick ...

The corridor has been considered a potential route for human and animal migrations between the far north (Alaska and Yukon) and the rest of North America, but when and ... dispersal of humans south of ...

The Antarctic Ice ... 2021 and 2023, the AIS gained mass at a rate of 108 gigatons per year — a remarkable reversal from the rapid loss seen in previous years. The Antarctic Ice Sheet (AIS ...