When and how humans first settled in the Americas is a subject of considerable controversy. In the 20th century, archaeologists believed that humans reached the North American interior no earlier than around 14,000 years ...
Archaeology
Oct 8, 2023
1
229
Greenland's ice sheet has experienced a "massive melting event" during a heatwave that has seen temperatures more than 10 degrees above seasonal norms, according to Danish researchers.
Environment
Jul 31, 2021
239
5072
About 400,000 years ago, large parts of Greenland were ice-free. Scrubby tundra basked in the sun's rays on the island's northwest highlands. Evidence suggests that a forest of spruce trees, buzzing with insects, covered ...
Earth Sciences
Jul 23, 2023
1
161
A new analysis of archaeological sites in the Americas challenges relatively new theories that the earliest human inhabitants of North America arrived before the migration of people from Asia across the Bering Strait.
Archaeology
Apr 20, 2022
7
848
Sea ice around Antarctica shrank to the smallest extent on record in February, five years after the previous record low, researchers said Tuesday, suggesting Earth's frozen continent may be less impervious to climate change ...
Earth Sciences
Apr 19, 2022
1
534
Strange lumpy terrain on Pluto unlike anything previously observed in the solar system indicates that giant ice volcanoes were active relatively recently on the dwarf planet, scientists said on Tuesday.
Planetary Sciences
Mar 29, 2022
5
729
Using historical records from around Australia, an international team of researchers have put forward the most accurate prediction to date of past Antarctic ice sheet melt, providing a more realistic forecast of future sea ...
Earth Sciences
Nov 17, 2023
2
274
The Totten Glacier, located in the East Antarctica Ice Sheet, is also a major contributor to global sea-level rise. However, the details of how offshore ocean heat reaches the glacier's ice shelf cavity remain elusive. Now, ...
Earth Sciences
Aug 22, 2023
0
38
Extreme heat this year has triggered wildfires, drought and melting glaciers. Less expectedly, it's also revealed some weird and dark things about our past—shipwrecks, corpses, ghost villages, ornamental gardens and ancient ...
Archaeology
Aug 15, 2022
0
230
When archaeologists recently carried out an excavation at Vinjeøra in southern Trøndelag County, they made a surprising discovery that they had only dreamed of finding.
Archaeology
Aug 22, 2023
1
509
