Astronomers have made an unprecedented discovery about the winds blasting from the star-forming galaxy M82, revealing speeds ...

NASA's XRISM X-ray spacecraft has clocked 2 million mph winds ripping out of a distant galaxy bursting with star formation.

For the first time, astronomers have directly measured the speed of superheated gas billowing from a cauldron of stellar ...

Astronomers have identified dozens of stellar streams in the Milky Way, offering clues about the galaxy’s structure and ...

Researchers have uncovered evidence for our sun joining a mass migration of similar "twins" leaving the core regions of our galaxy, 4 to 6 billion years ago. The team created and studied an ...

The oxygen in a galaxy does not sit still. It spreads, thins out, piles up, and leaves behind a record of where stars formed, ...

A galaxy is a massive, gravitationally bound system. It contains stars, stellar remnants, interstellar gas and dust, and a ...

Learn more about a new algorithm that helped reveal 87 stellar streams and what it could reveal about dark matter.