By mapping the brightest explosions in the universe, scientists may have uncovered a megastructure that defies our ...

Astronomers have made a startling discovery about the largest known structure in the universe: the Hercules-Corona Borealis ...

New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against ...

A gamma-ray burst hitting Earth is a rare but potentially devastating cosmic event. Millions of Americans are seeing an ...

Researchers using NASA's Hubble Space Telescope have discovered the magnetar called SGR 0501+4516 is traversing our galaxy ...