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

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

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

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

The Hubble Space Telescope has been in orbit around Earth for 35 years The most famous telescope in history has reached a major milestone — it's 35 years old. The Hubble Space Telescope launched on a ...

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

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn ...

During its 35 years of orbiting the Earth, the Hubble Space Telescope has transmitted endless streams of magnificent images, confirmed the existence of "dark matter," and helped track a vagabond black ...

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

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

The European Space Agency (ESA) has released an awe-inspiring new image of the iconic Sombrero Galaxy, known formally as Messier 104. The image was published as part of the 35th anniversary ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home. Freelance writer Amanda C. Kooser covers gadgets and tech news with a ...