Astronomers tracked a star in Andromeda as it dimmed and vanished without the usual fiery explosion, offering rare clues to ...

The team discovered the star by analyzing archival data from NASA’s NEOWISE mission. They used a prediction from the 1970s that theorized that when a star underwent direct collapse, it would leave ...

A “disappearing” star in the Andromeda galaxy is the closest and best candidate for a newborn black hole that astronomers have ever seen ...

A massive star in the nearby Andromeda galaxy has simply disappeared. Some astronomers believe that it's collapsed in on ...

The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants ...

The Egg Nebula, located around 1,000 light years away, is home to a dying star entering last phase of its life.

For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

Astronomers have caught a massive star in the Andromeda Galaxy quietly dying, collapsing into a black hole without producing a supernova, leaving behind little more than a fading trace. The findings ...

For years, astronomers have observed the strange motion of Andromeda, the Milky Way’s closest large galactic neighbor. While ...

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...

The new study, published in Astronomy & Astrophysics, focused on the Hubble Legacy Archive and a dataset built from it: 99.6 ...

New observations from the Hubble Space Telescope have revealed surprising activity inside the Andromeda galaxy. The data shows structures and behavior that don’t fit neatly with existing models of how ...