Particular stars called Cepheid variables allow astronomers to determine distance, and Hubble spotted one of these within M31 ...

Some of these open clusters are pretty famous, such as the Pleiades cluster, also known as the Seven Sisters. This is ...

This stunning image dubbed 'Cosmic Owl' captures a remarkable moment in deep space, billions of light years away.

Imagine you're an alien living in the Andromeda galaxy, 2.5 million light-years away, peering back at Earth through a massive ...

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic time to 1 billion years after the Big Bang.

Deep within the Milky Way’s core, researchers have uncovered cold gas clouds racing through a superheated galactic wind.

Credit: ESA/Hubble & NASA, M. Postman, P. Kelly Hubble’s latest portrait zooms into Abell 209, a colossal galaxy cluster ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...

NASA's newest astrophysics space telescope launched in March on a mission to create an all-sky map of the universe. Now ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

Astronomers want to unlock the secrets of the "Cosmic Dawn" by sending a miniature spacecraft to listen out for an "ancient ...