On the night of October 5-6, 1923, Carnegie astronomer Edwin P. Hubble took a plate of the Andromeda Galaxy (Messier 31) with the Hooker 100-inch telescope of the Mount Wilson Observatory. This plate, ...

Astronomers sound the alarm as a proposed renewable hydrogen project in Chile threatens to disrupt the pristine night skies of Mount Paranal, home to the world-renowned Very Large Telescope.

Astronomers sound the alarm as a proposed renewable hydrogen project in Chile threatens to disrupt the pristine night skies ...

Astronomers have detected the most ancient blazar ever observed, originating from the early universe and emitting a beam of energy directly at Earth. This discovery, involving the blazar J0410 ...

Active galactic nuclei (AGN) are among the most energetic phenomena observed in the universe. These luminous objects, powered ...

The primary objective of this spacewalk is to replace critical hardware and repair the Neutron star Interior Composition Explorer (NICER) X-ray telescope. Listen to Story Williams and Hague will ...

University of Arizona astronomers have now produced the highest resolution direct images ever taken of a supermassive black hole in the infrared, using the Large Binocular Telescope Interferometer.

Science News: A supermassive black hole has been discovered by astronomers that's shooting a giant energy beam directly at Earth ... The study used data from multiple telescopes, including the Atacama ...

NASA's James Webb Space Telescope (JWST) has captured photos of one of the earliest supernovas ever seen, with features appearing like grains and knots found in a cut of wood. "Once upon a time ...

Using the James Webb Space Telescope (JWST), astronomers have discovered one of the most distant and therefore oldest supernovae ever seen. This explosion, which rocked the cosmos about 2 billion ...

The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...

Giant mirror: Webb's mirror, which captures light, is over 21 feet across. That's over two-and-a-half times larger than the Hubble Space Telescope's mirror. Capturing more light allows Webb to see ...