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 ...

Astronomers have turned the Atacama Large Millimeter/submillimeter Array (ALMA) into a time machine to peer back in cosmic ...

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

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

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

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Credit: ESA/Hubble & NASA, M. Postman, P. Kelly Hubble’s latest portrait zooms into Abell 209, a colossal galaxy cluster 2.8 ...

Galaxy merger Arp-Madore 417-391 is on display in this new image captured by the Hubble Space Telescope's Advanced Camera for Surveys (ACS). The merger is about 670 million light-years away from ...