For decades, astronomers have puzzled over the intense heat and persistence of the fiery hot gas surrounding the Milky Way.

Research shows that galaxies form inside gigantic haloes of dark matter, the elusive substance that doesn't interact with ...

Astronomers have taken a superdetailed, zoomed-in photo of the Large Magellanic Cloud's "behemoth star." The stunning image, ...

An extensive comparison of satellites of large galaxies has shown that our home galaxy is not as ordinary as we always thought.

The star, situated in a galaxy orbiting our own tens of thousands of light-years away, may be on the verge of a spectacular ...

Scientists have finally imaged a star outside of the Milky Way for the first time. Here's what it looks like and how they did ...

"Maybe we didn't understand the universe as well as we thought," said astrophysicist Justus Gibson of CU Boulder.

"For the first time, we have succeeded in taking a zoomed-in image of a dying star in a galaxy outside our own Milky Way." ...

In its galactic neighborhood, the Milky Way can be something of a bully.

A group of international scientists discovered three ultra-massive “Red Monster” galaxies capable of forming their own stars ...

On Sunday November 23, 1924, 100 years ago this month, readers perusing page six of the New York Times would have found an ...