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

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

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

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

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

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

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

Omega’s Speedmaster, worn by Buzz Aldrin and Neil Armstrong on their 1969 journey to the moon, gets an update.

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