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

In a new study, a team of astrophysicists led by CU Boulder has set out to unravel the mysteries of UFOs—not the alien ...

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

For decades, scientists have used the Milky Way as a model for understanding how galaxies form. But three new studies raise ...

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

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

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 ...

"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." ...

The Hubble Space Telescope captured an image of NGC 4694, a galaxy that possesses unusual properties that complicate its ...