When a hunk of ice from another star system hurtles through our cosmic neighborhood, astronomers pay attention. When that ...

For the first time, scientists have measured the instantaneous mind-blowing power of jets blasting from a black hole. NASA ...

Interstellar comet 3I/ATLAS is now on its way out of our solar system, never to return. The comet was only the third-ever ...

Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...

Astronomers have finally identified the source of unusual X-rays from the bright star gamma-Cas, resolving a decades-long mystery.