Spotted: An object moving 1 million mph and zooming out of the Milky Way! Citizen scientists found the speeding stellar ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

NASA has a photo dump of the interstellar comet 3I/ATLAS. It made news in July when it was confirmed to have originated ...

ESA's Gaia mission, the Very Large Telescope and other ground-based telescopes have discovered stellar black hole Gaia BH3.

New measurements from deep-sky surveys reveal a huge structure pushing into the Milky Way’s outer regions, distorting stars and gas clouds as it moves. The collision has been happening quietly for ...

Base in Ajo then roll into Organ Pipe after dusk for silent desert roads and a bright Milky Way stretching over forests of saguaro.

The Full moon, the Yule Moon, is on December 4. This is a supermoon, the second largest of 2025. The next evening, the moon ...

Astronomers have discovered 53 new supermassive black hole-powered quasars that are blasting out jets of matter at near light ...

"The discovery of this stream highlights how much is still unknown about the life histories of galaxies, how the hidden ...

For the first time, scientists have built a digital version of the Milky Way that follows the motion of individual stars, not ...

Using artificial intelligence, researchers at the RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences, ...