Space & Physics

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to oblivion

Recent observations have revealed carbon monoxide venting from the largest comet ever seen, providing clues about its origins in the mysterious depths of the outer solar system

Later this year a tiny rover will carry out an unusual lunar task

Claims that an asteroid or comet airburst destroyed the biblical Sodom captured the public’s imagination. Its retraction shows that scientific conclusions aren’t decided by majority rule in the public square

Nuclear policy specialist David Albright explains how his organization is monitoring for damage to nuclear sites following U.S. and Israeli strikes

Inspired by superconductivity, a strange new theory that seeks to explain dark matter might explain dark energy, too

This explorer spacecraft is heading to a rare asteroid with a naked metal core. It could hold clues to how Earth began

Astronomy fans can zoom in practically forever into the stunning first images from the Vera C. Rubin Observatory

Spacecraft can get a significant boost by stealing energy from planets

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most overlooked—astronomy project of the 21st century

The latest catastrophic explosion of a Starship upper stage is a significant setback for SpaceX

Researchers have used cosmic explosions called fast radio bursts to illuminate the intergalactic medium