Artist’s impression of a forming galaxy cluster in the early Universe: radio jets from active galaxies are embedded in a hot intracluster atmosphere (red), illustrating a large thermal reservoir of ...

A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known ...

In the vast expanse of the universe, the Milky Way Galaxy holds a special place in our hearts. It is our home, and after studying it for decades from our cosmic residence nestled within one of its ...

Erika Hamden is an Ivy League-educated astrophysicist and the director of the University of Arizona Space Institute, so you can trust her when she tells you just how weird the universe is. Innumerable ...

Using NASA’s Chandra X-ray Observatory and Hubble Space Telescope, researchers pinpointed a short gamma-ray burst to a faint galaxy that appears to be part of a larger group of galaxies about 8.5 ...