Using the James Webb Space Telescope, astronomers discovered an extreme version of "little red dots" dubbed "The Cliff." Its ...

NASA’s Chandra X-ray Observatory spotted the X-ray emissions by chance last year while focusing on a supernova remnant, or the remains of an exploded star. Wang said it was the first time X-rays had ...

Earlier this month astronomers were thrilled to discover only the third known interstellar object ever seen in our solar system. Now dubbed 3I/ATLAS, the suspected comet has just zoomed past the orbit ...

Late in the evening on July 1, a telescope in Chile that is part of the global, NASA-funded Asteroid Terrestrial-Impact Last Alert System (ATLAS) picked up on a new moving dot in the sky, an object ...

This image provided by NASA shows X-rays from NASAs Chandra X-ray Observatory (represented in blue) that have been combined with infrared data from NASAs retired Spitzer Space Telescope (cyan, light ...

As only the third interstellar object ever discovered, 3I/ATLAS offers a rare chance to study remnants of solar systems beyond our own, briefly bringing the distant galaxy within reach. But before we ...

Astronomers have discovered a strange new object in our Milky Way galaxy. An international team reported Wednesday that this celestial object — perhaps a star, pair of stars or something else entirely ...