The 16th day of the 18th annual Space Telescope Advent Calendar shows a spiral galaxy displaying at least nine concentric ...

This NASA/ESA Hubble Space Telescope image features a glittering blue dwarf galaxy called Markarian 178 (Mrk 178). The galaxy ...

NASA's Hubble Space Telescope has discovered a tidal disruption event 300 million light years away. The donut shaped remains ...

NASA's Hubble Space Telescope captured an uncommon sight—the death of a low-mass star—in this image of the Calabash Nebula ...

Here are the seven most stunning Nebula pictures, revealing the universe's beauty through Hubble's lens., Technology & ...

The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

I/ATLAS attracted attention when it was confirmed to be only the third body originating from another star system.

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

Discovered on July 1 by the NASA-funded ATLAS telescope in Chile, 3I/ATLAS is only the third confirmed visitor from another ...

Almost a thousand years since its formation, the Crab Nebula sports complex shells of plasma, filled with tendrils, filaments ...