Astronomers announced that - for the first time - they've seen when a star destroys its planet. It's a glimpse into Earth's future. Watch a video here.
As part of SETI, astronomers are now using the Very Large Array radio telescope array in a comprehensive new search for radio signals from alien civilizations.
We know our universe consists of gigantic galaxy clusters in space. And we know that looking far away in space equals looking back in time. Here's an early-universe prequel to a huge galaxy cluster.
For the 1st time, astronomers have taken an image of a black hole that shows both the black hole and a powerful jet of material being blasted away from it.