Earth was hit by a huge burst of gamma rays originating from a star nearly 2 billion lightyears away, according to the European Space Agency. The gamma ray burst caused a disturbance in Earth's ...

NASA’s Swift Observatory spent 22 years studying the universe’s biggest explosions before hurtling back to Earth.

Earth is quietly collecting radioactive debris from an ancient stellar explosion as our Solar System drifts through a giant cloud of gas and dust between the stars. Scientists analyzing Antarctic ice ...