Astronomers have discovered an enormous radio jet from the early universe, extending over 200,000 light-years and powered by ...

Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy clusters and superclusters containing an astonishing 200 quadrillion solar ...

The eyes of the roller coaster-loving world are on New Jersey as Kingda Ka's record-holding reign comes to an end.