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

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

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

Discovered in late June and confirmed as the third known interstellar object in July, 3I/ATLAS has raced through the inner ...

Several sugars have been found on a sample of the asteroid Bennu, which may provide scientists with clues about our early ...

Our planet’s magnetosphere has seen dramatic shifts across its history—even total reversals—but this recent wrinkle doesn’t ...

NASA and ESA both shared new images of the interstellar comet 3I/ATLAS this week, as the agencies gear up for the mysterious ...

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

SQUIRE aims to detect exotic spin-dependent interactions using quantum sensors deployed in space, where speed and ...

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

Legendary inventor Lonnie Johnson, 76, believes his Johnson Thermo-Electrochemical Converter could be his most significant ...