The Dark Energy Spectroscopic Instrument (DESI) is mapping millions of celestial objects to better understand dark energy—the ...

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

Findings from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy could be evolving over time. If ...

Astronomers rely on clear observations to study celestial objects, but cosmic dust alters what we see, making stars appear ...

BEIJING -- Chinese and foreign astronomers have unveiled the first three-dimensional map of the properties of interstellar ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...

Strange events at the heart of the Milky Way could point toward a new dark suspect that annihilates to influence the chemistry of the cosmos.

Astronomers have discovered a black hole so mind-bogglingly large, trying to get a grasp of how big it really is could induce ...

Cosmic sparkle: NASA's Hubble Space Telescope captured the globular cluster NGC 2298, a sparkling collection of thousands of stars held together by their mutual gravitational attraction.

A new study of super-fast-moving stars suggests that they were accelerated by a monster black hole that's been lurking unseen in the galaxy next door. This appears to be the closest supermassive black ...

This appears to be the closest supermassive black hole outside our Milky Way galaxy, according to a report that's appearing in The Astrophysical Journal. While scientists think that most galaxies ...