It's due to arrive sometime today (June 22, 2015). NOAA forecasters estimate a 90% chance of polar geomagnetic storms when the CME arrives. Aurora alert!
Jupiter's moon Europa is a promising place to look for life beyond Earth. A new mission to Europa is now moving forward from concept review to development.
Most of us think only of viewing planets at night, but sometimes you can catch them in broad daylight! The next great chance to do that is Saturday, June 20.
The newly found galaxy, labelled CR7, is three times brighter than the brightest distant galaxy known up to now. It may contain some of the first stars.
This beautiful stellar jewel-box – a tightly packed cluster of stars - is one of the few places in our galaxy where astronomers think stars can actually collide.