During the Middle Paleolithic, when Neanderthals were modern humans’ neighbors, new technologies meant something quite different: new kinds of stone tools that were smaller but could be used for many ...

Stanford researchers discovered that increased meltwater and rainfall account for 60% of the decades-long gap between ...

Martian lake beds and deltas reveal the Red Planet’s watery past. But many puzzles remain, scientist Bruce Jakosky says.

The total solar eclipse of April 8, 2024 may still be fresh in millions of people's minds, but this weekend's partial event won't look anything like it.

Deep below Earth's surface, rock and mineral formations lay hidden with a secret brilliance. Under a black light, the ...