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

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

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

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

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

Zoom into the James Webb Space Telescope's view of a star-forming region in the Small Magellanic Cloud known as NGC 346.

A captivating new image captured by the Hubble Space Telescope reveals fascinating details about a rare galaxy,Markarian 178 ...