An unusual planetary system with three known ultra-low density 'super-puff' planets has at least one more planet, according to new observations.

The Hubble Space Telescope may be living our dream of wandering through the cosmos. It's the year 2000. We're floating in ...

Jupiter reaches opposition; meanwhile, the star Canopus shines bright and the constellation Pictor offers many gems to view.

Ianis Hagi had drifted so far out of the picture at Rangers that even the Hubble Telescope would have struggled to find him.

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

The James Webb Space Telescope has spotted five galaxy candidates dating to just 200 million years after the Big Bang, making ...

30 Doradus: The image showcases two clusters filled with massive stars, possibly beginning to merge. The 30 Doradus nebula is ...

The James Webb Space Telescope has captured a surprising new view of a long-studied galactic neighbor, the Sombrero galaxy, ...

TheAtlPhoto is sharing a new image from a space telescope every day until December 25. This photo from Hubble shows the ...

December: the month your email inbox doubles in size, your patience for coworkers shrinks, and the office thermostat can't decide between setting Arctic tundra or tropical rainforest.