Columbia Shuttle Disaster's Tough Lesson; Astronomers Solve Old Mystery

The Star Explosion That Wasn't: Astronomers Solve 150-Year-Old Mystery A new study found evidence that the star astronomer John Herschel reported seeing explode in 1842 was different than a nearby recurring nova, helping solve a 150-year-old astronomical mystery. Read More »
Shuttle Columbia's Final Mission: Photos from STS-107 See photos from STS-107, the tragic final flight of the space shuttle Columbia in early 2003. The shuttle launched with a crew of seven on Jan. 16, 2003, but was lost during re-entry on Feb. 1, 2003. Read More »	Columbia Shuttle Disaster's Tough Lesson: Spaceflight Still Dangerous The tragic destruction of the space shuttle Columbia 10 years ago today (Feb. 1) taught NASA and the nation a tough lesson. Read More »	The Center of the Milky Way The central parts of our galaxy, the Milky Way, as observed in near-infrared with the NACO instrument on ESO's Very Large Telescope. Read More »
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