Billions of stars fill our galaxy that become visible at certain times of year. And in the U.S., that time, known as "Milky ...

Astronomers studying the Milky Way's oldest stars have estimated that the Universe is about 13.6 billion years old.

For decades, astronomers wondered why most nearby galaxies are speeding away from the Milky Way instead of being pulled in by its gravity. New simulations reveal the answer: our galaxy sits in a ...

Researchers from the University of Bologna and the Leibniz Institute for Astrophysics Potsdam (AIP) along with other institutes have proposed a new way to address the Hubble tension by comparing ...

Astronomers have analyzed the images collected by the Hubble Space Telescope (HST) to investigate a galactic open cluster ...

Most of the (dark) matter beyond the Local Group of galaxies (which includes the Milky Way and the Andromeda Galaxy) must be ...

A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by ...

On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.

The Hubble Space Telescope has found evidence of a "wandering" black hole about 5000 light years away in the Milky Way galaxy. Astronomers estimate that there could be 100 million black holes ...

Astronomers have confirmed the first isolated stellar-mass black hole drifting through the Milky Way, located roughly 5,000 ...

An international team of astronomers using NASA's Hubble Space Telescope has discovered the aftermath of what some call "galactic cannibalism:" the aftermath of a 100 million-year-old cosmic collision ...

A closer look at the Lambda Cold Dark Matter model, its core components, supporting evidence, and why new observations are ...