The observable universe contains so much matter and so many planets that, if it extends infinitely, identical copies of ...

Explore the observable universe’s vast horizon, cosmic expansion, and theories of infinite space. Discover how humanity ...

The Boomerang Nebula holds the title as the coldest place in the universe as the result of a 1995 study by astronomers ...

Black holes, regions of spacetime in which gravity is so strong that nothing can escape, are intriguing and extensively ...

Discover how JWST's groundbreaking observations of the oldest galaxies reveal new insights into early galaxies discovery and transform our understanding of galaxy formation.

Centuries before other galaxies were known to exist, astronomers called them “spiral nebulas.” Today the defunct term still ...

The international LIGO-Virgo-KAGRA Collaboration has completed the fourth observation campaign (called O4) of the ...

Interstellar comet 3I/ATLAS got an accuracy boost thanks to a Mars orbiter, giving scientists insights and stronger planetary ...

The observations are the earliest yet of a supernova, revealing in detail the moment that the shockwave obliterated the star.

Perspective is everything, but these curious maps might give a whole new approach to the weird and wonderful world that we ...

"Throwing a close companion into the mix could possibly wreak further havoc on the already complicated processes surrounding ...

"Even though it's the first time we've seen a galaxy like this, we think that there could be many more out there." ...