Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance ...

The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100,000 years to go from one end of our home galaxy to the other.

Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...

At the center of our galaxy, an enigmatic phenomenon has puzzled scientists. Recent observations suggest that dark matter, ...

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...

Observations about the directions in which galaxies turn have a head-spinning implication: our entire Universe might exist ...

In just over three years since its launch, NASA's James Webb Space Telescope (JWST) has generated significant and ...

NASA’s newest space telescope rocketed into orbit Tuesday to map the entire sky like never before — a sweeping look at ...

The James Webb Space Telescope has found perhaps its most profound discovery to date. The uncovered preferred direction for ...

Astronomers discover an 850,000 light-year-long cosmic filament in the early universe, providing insights into large-scale ...

A new study suggests that clues about dark matter may be hidden in the Milky Way's Central Molecular Zone, where unexplained ...

There are millions of galaxies in the universe, and while astronomers have cataloged many, some remain relatively unknown to ...