What's the difference between a maser and a laser?
Measuring data from the Hubble telescope, NASA has discovered a salt-water ocean on Jupiter's largest moon beneath layers of ice.
The Hubble telescope digs up the Milky's Way star-crossed past.
Astronomers discovered KKs3, a dwarf galaxy that neighbors the Milky Way!
Astronomers have found a new and more accurate way to measure the ages of huge groups of stars called globular clusters.
Did you know it seems we're discovering a new exoplanet every week?