Astronomers have peered back in time to find what looks like a population of 'hidden' galaxies that could hold the key to unlocking some of the universe's secrets. If their existence is confirmed it ...

Earth's auroras look a bit different from above. NASA astronaut Don Pettit captured two amazing videos of our planet's natural light shows from the International Space Station (ISS) last week.

Astronomers have reached deeper into the heart of a brilliant cosmic engine than ever before, using NASA’s Hubble Space ...