Pasadena's California Institute of Technology (Caltech) announced today that a team of astronomers led by Caltech scientists have discovered three of the smallest confirmed planets ever detected outside our solar system, increasing the likelihood of the existence of habitable planets. more ›

Mystics and Skeksis, grab your shards and look to the pre-dawn skies this week for a preview of the Great Conjunction. Four planets, Venus, Mercury, Mars, and Jupiter are now visible to the naked eye, each spaced within 10 degrees of each other. more ›

It's a space nerd weekend, folks. Not only is the Griffith Observatory celebrating its 75th Anniversary (with events all day today), the Jet Propulsion Laboratory is hosting their annual open house this weekend. Then add to that this: "This weekend, Venus and the crescent Moon are gathering in the western sky for a spectacular conjunction, and they’re not alone. The International Space Station and, very likely, space shuttle Atlantis will join them for a rare four-way meeting of spaceships and planets over many locations," says Space Fellowship. Anthony Cook at the Observatory's Sky Report offers up some more information. more ›

If you're into planet watching, the next time this will happen is on Nov. 18, 2052. So best to take advantage this weekend: more ›