We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Interstellar comet 3I/ATLAS made its closest pass of Mars on Oct. 3, and Europe’s Red Planet spacecraft were ready for it.

Hubble Space Telescope observations have provided size estimates for the nucleus of interstellar comet 3I/ATLAS, ranging from 320 meters to 5.6 kilometers in diameter, though the nucleus itself ...

In astronomy, larger distances are both a blessing and a curse. They can cause issues like longer communication times, which also requires more powerful equipment, and positioning uncertainty that can ...

Stars burst to life in the chaotic Carina Nebula in this photograph taken by NASA's Hubble deep space telescopic camera. The 10 images released by the space agency are the sharpest yet. WASHINGTON -- ...

The James Webb Space Telescope observed the same region of sky captured in the famous Hubble Ultra Deep Field image, revealing thousands of distant ancient galaxies. Credit: ESA / NASA / CSA / G.

"It's like an aeon-old fridge, which will open during the next months to release some of its contents." New research investigates the possibility that different spacecraft could visit Comet 3I/ATLAS, ...