Scientists have confirmed that colossal collisions between galaxies trigger titanic eruptions in the centers of those ...

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

A team of astronomers including George Washington University physics Ph.D. student Eliza Neights recorded an extraordinary ...

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

NCIS: Origins' season 2 fall finale had a massive cliffhanger featuring a deadly explosion — and a main character's surprise ...

NCIS: Origins” left fans in shock with a surprise wedding on one side and a new threat posing plenty of questions before the winter break ...