Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

Scientists have observed a new type of black hole that is too heavy to have been born from a star but still too slim to … The ...

A vast filament of gas stretching across the cosmos may help solve the mystery of the Universe’s missing matter. Astronomers ...

The camera, now bolted to the end of a giant telescope at the Rubin Observatory, is expected to shoot photos of 20 billion ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.

NASA has released a breathtaking new image of the Andromeda Galaxy, our closest galactic neighbor. Also known as Messier 31, or M31, Andromeda is located about 2.5 million light-years from Earth.

The Sombrero Galaxy is too faint to see with the naked eye but easily visible through a modest amateur telescope, appearing ...

The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...

Sauk Prairie will get a glimpse of one of the two eclipses that will occur over the next thirty days. The total solar eclipse ...