When the Juno spacecraft recently flew over the poles of Jupiter, researchers were astonished. This 5-minute video from NASA explores the latest discoveries.
NASA researchers have launched a citizen science project requesting your reports on landslides you've seen, heard about in the news, or found in an online database. Photos welcome!
Who says you can't catch meteors in moonlight? Check out this beautiful shot of one of this weekend's Eta Aquariid meteors from Eliot Herman in Tucson.
The sparkling blue-white star Spica acts as your guide to the Omega Centauri cluster, a globular cluster bright enough to see with the eye alone, in a dark sky.
Stay up after midnight, or rise before the sun these next few mornings, to see the moon, Saturn and Mars - and possibly, some of Eta Aquariid meteors streaking past in moonlight.