Astronomers have discovered a black hole emitting energy in jets longer than the width of 140 Milky Way galaxies.

Heart tissue that spent one month in space was found to beat irregularly, while proteins and mitochondria in heart cells ...

Astronomers have spotted a massive pair of jets releasing material from a distant black hole. The jets are so large they span ...

Lebanon's Hezbollah said on Wednesday it launched a rocket targeting Mossad headquarters near Tel Aviv, which it says was ...