Astronomers have identified what could be the largest structure ever observed in the known universe—a vast network of galaxy ...
A new study suggests that the explosive deaths of the universe's earliest stars created surprising quantities of water that ...
Astronomers have discovered a truly ancient monster: a radio jet 200,000 light-years wide, originating from when the universe ...
Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...