Scientists think they found evidence of weird ancient stars called "dark stars" that are powered by dark matter instead of ...

Dr. Caitlin Casey, an observational astronomer, has recently joined the physics department at UC Santa Barbara. She co-leads the C.O.S.M.O.S. collaboration — a project distinguished by its deep ...

Half toybox, half science project, Kerbal Space Program is the most fun you can have while learning about space. On the ...

The Hubble Space Telescope has found evidence of a "wandering" black hole about 5000 light years away in the Milky Way galaxy ...

Dr. Bernard Harris became the first Black man to do a space walk. His family watched nervously seeing him take off into space ...

Since its debut in 2021, the James Webb Space Telescope has dazzled viewers with its infrared images of galaxies, nebulae, ...

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

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

Scientists have discovered the farthest-ever 'mini-halo,' a sea of charged particles around a distant galaxy cluster that ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

A new kind of stellar explosion, far brighter and longer-lasting than supernovae, may help scientists explore the secrets of ...

Unlike galaxies with active supermassive black holes, the bright source near NGC 5530’s center is actually a nearby star in ...