We got our first look at images from the Vera C. Rubin Observatory, which will forever change how we monitor the night sky.

Launched in March, NASA's SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors.

The surprising true sizes of countries around the world. “SHANTI is a cruel irony”: Tharoor tears into Modi govt over nuclear ...

Comet 3I/ATLAS, the third interstellar object ever detected, will swing closest to Earth overnight from Thursday to Friday ...

Comet 3I/ATLAS will make its closest approach to Earth at 1 a.m. EST (0600 GMT) on Dec. 19. At that time, it will be about ...