X-ray: NASA/CXC/Univ. of Chicago/H. McCall Galaxy clusters are the most massive objects in the universe held together by ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...

When a massive star dies, astronomers expect a familiar chemical script: hydrogen and helium on the outside, heavier elements ...

A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

Auroras may be visible from Alaska to New York as an incoming coronal mass ejection is expected to slam into Earth today.

We come into the world helpless, and we leave it helpless. If we’re teachable, this gradual, inevitable decline imbues us ...

Tech News News: iPhone users, be aware of new privacy indicators! A green dot signals camera use, while orange means your ...

WASHINGTON — Scientists have observed the largest-known rotating structure in the cosmos – a gargantuan thread-like assemblage of hundreds of galaxies, gas and dark matter that makes up a filament in ...