The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever ...

The photos capture both our neighboring planets and galaxies far, far away in a stunning release to celebrate one of NASA’s ...

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

Over 11 years of operation, it created the most detailed and accurate 3D map of our galaxy ever made, measuring the position, motion, distance, and brightness of celestial bodies with unrivaled ...

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

In the century or so since Edwin Hubble discovered that the Milky Way is just one of countless galaxies in the universe, our understanding of our home galaxy ... The bodies appear to be drifting ...

Astronomy and astrophysics are the study of objects and phenomena that are found beyond our solar system ... high-energy particles emitted by celestial bodies. The Andromeda galaxy is surrounded ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...

Our ability to provide a voice for scientists and engineers and to advance science depends on the support from individuals like you. Whether you’re a scientist, engineer, teacher, or science advocate, ...

NASA warns that dark energy could freeze the universe into darkness. Learn what the Big Freeze theory predicts for the cosmos ...

In December 2019, an ordinary galaxy 300 million light-years from ... to re-evaluate their understanding of these massive celestial bodies. The black hole now gives off powerful X-rays at nearly ...