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 ...

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

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions ...

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

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

There are about 15,000 satellites orbiting Earth. Most of them, like the International Space Station and the Hubble Telescope ...

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

NASA's Webb space telescope (Hubble's successor) and Mars rover Curiosity have been included in Time magazine's list of the ...

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...