Add Yahoo as a preferred source to see more of our stories on Google. 3I/Atlas, a rare interstellar object that had some astronomers wondering whether it's a spacecraft, will soon reach its nearest ...

NASA's Jet Propulsion Laboratory is tracking a near-Earth asteroid roughly the size of an airplane. The asteroid named 2025 XQ3 is set to make a safe closest approach to our planet on December 19, ...

A historic moment in space exploration will happen April 6 as the Artemis II crew prepares to fly past the moon.

This beautiful streak of light is comet C/2024 E1 hurtling through the southern constellation Grus. It was first spotted in 2024 and is thought to have originated from the Oort cloud, a region of icy ...

Monday is the most dramatic day of NASA's Artemis II mission. Here's everything that happens, and exactly when.