Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial ...

Asteroid 433 Eros is swinging back into Earth’s neighborhood this weekend, bright enough for backyard telescopes and even ...

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is ...

In the evening sky, brilliant Jupiter is the brightest starlike object among the bright stars of the winter season, ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

For years, the center of our galaxy has been painted as a place where stars go to meet their end — a region ruled by Sagittarius A*, a black hole so massive that its gravity can stretch, tear, and ...

Taejas Venkataraman explores what the discovery of white dwarf pollution can teach us about scientific investigation ...

Astronomers measure the speed at which the solar system is hurtling through space by mapping surrounding galaxies and ...

"Asteroseismology with Roman is possible because we don't need to ask the telescope to do anything it wasn't already planning to do." ...

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away.

Interstellar comet 3I/ATLAS is leaving our solar system forever. Discover how it was found, and what this rare visitor ...