After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

Chile’s Atacama Desert is one of the darkest spots on Earth, a crown jewel for astronomers who flock to study the origins of ...

Astronomers have discovered 53 new supermassive black hole-powered quasars that are blasting out jets of matter at near light ...

Light from the half a million satellites that humanity is planning to launch into Earth's orbit in the coming years could ...

“Megaconstellations” of vast numbers of satellites could threaten space-based astronomy, scientists have warned.

An international team led by the University of Oxford has identified one of the largest rotating structures ever reported: a ...

For around a year now, the Sidewalk Astronomers have been meeting regularly in D.C. to show people that gazing at the stars ...

Astronomers have captured unprecedented, detailed images of two stellar explosions—known as novae—within days of their ...

Critics argue the satellites, billed as a way to harness solar energy at night, could hamper sky observations and may pose a ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

Is the interstellar comet 3I/ATLAS spinning? That is the question currently dominating online astronomy circles, fueled by ...

Astronomers have uncovered clues to a red giant’s chaotic past by detecting subtle stellar vibrations that hint at a long-ago collision and an unexpectedly rapid spin. Astronomers at the (IfA) have pi ...