Feb 18, 2014 — A rock the size of three football fields passed relatively close to Earth. It wasn't a surprise, and neither will be the arrival of others. NASA has a calendar if you'd like to keep track of what's coming. But remember: Some space rocks, such as the meteorite that exploded over Russia last year, aren't expected.
Dec 24, 2013 — Astronauts have made critical repairs on the International Space Station's cooling equipment. On Saturday, they spent 5 1/2 hours outside the station. They spent more than six hours outside on Friday.
Dec 2, 2013 — There were hopes over the weekend that ISON might have survived its close encounter with the sun. But "with more than a little sadness," the space agency says, "we have to declare the comet lost."
Nov 25, 2013 — Once again, there's talk about a possible "comet of the century." Will ISON be a thriller or a dud? It's due to whiz by the sun on Thanksgiving Day. If it holds itself together after that, the comet could put on a stellar show in December.
Nov 6, 2013 — The Olympic torch was launched into space on Wednesday night. It will accompany astronauts on a spacewalk before returning to Earth on Nov. 10.
Sep 6, 2013 — A rocket launched from NASA's launch pad on the Virginia coast shortly before midnight Friday was potentially visible to a large swath of the eastern U.S. The spacecraft is now on its way to the moon.
Sep 5, 2013 — A "fireball" was seen by many along the East Coast of the U.S. late Wednesday night. Officials believe it was a meteor. Late Friday night, a rocket is due to lift off from NASA's spaceport in Virginia. That you can plan for.
Aug 29, 2013 — Mars had more of the key minerals needed to get life going, a researcher says. He theorizes that some of the rocks that have traveled from the Red Planet to Earth had those elements and gave life here a kick start.
Jul 15, 2013 — Just 12 miles across, the little moon was discovered in photos taken by the Hubble Space Telescope. When scientists recently rejected Vulcan as the name for one of Pluto's moons, Star Trek fans complained. Naming conventions will bar Vulcan from being used for Neptune's moon as well.
Apr 22, 2013 — The company Mars One has launched a program that could allow you (yes you!) to make a trip to Mars. But you can't come back.