Retired astronaut and current Sen. Mark Kelly (D-Ariz.) celebrated NASA ’s “pretty exciting” announcement on Thursday after ...

Levels of potentially dangerous cosmic radiation in Earth's atmosphere rose to a two-decade high in November after a rare ...

Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

But according to California scientists, this visual movement, which was recently captured via satellite, is anything but ...

"Some of our ancestors were very skilled observers." A team of international researchers say they've uncovered new data on ...

Fresh evidence suggests early Earth wasn’t locked under a rigid stagnant lid but was already experiencing intense subduction.

This company aims to build a vertically integrated business as the U.S. shifts its focus to domestic suppliers of crucial ...

Scientists can usually spot coronal mass ejections before they affect Earth—but this one snuck past coronagraphs and ...

University of Alberta geochemists have discovered a missing piece to one of the great mysteries of science—the origin of life ...

A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The ...

Nuclear power startup Antares announced a $96 million Series B round Dec. 2 to fund work on developing small nuclear reactors ...