On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

Gravity is usually presented as the most familiar of nature’s forces, the quiet background pull that keeps feet on sidewalks ...

Physicists have identified a new superfluid phase in a class of quantum systems that, until recently, looked too unstable and ...

Catch the wolf supermoon and Quadrantid meteor shower as January’s night sky puts on a celestial double feature.