Stephen Hawking flies high in zero gravity. Plus: A SpaceX deal and images from the Hubble.
April 27, 2007 The U.S. Air Force gives a thumbs-up to a five-year deal with Elon Musk's space transport company.
April 26, 2007
April 26, 2007
April 25, 2007 Astronomers speculate that a rocky planet roughly the same size and temperature of Earth exists about 20 light-years away.
April 24, 2007
April 23, 2007
The physicist gets an "amazing" experience of weightlessness and a rare moment out of his wheelchair. His next goal: "Space, here I come."
April 27, 2007 The U.S. Air Force gives a thumbs-up to a five-year deal with Elon Musk's space transport company.
April 26, 2007
See footage from cameras built by a Pasadena, Calif.-based commercial space company and hear from the CEO at the NASA Technology Showcase.
April 26, 2007
NASA and ESA celebrate the Hubble Space Telescope's anniversary with colliding stars and supernovas.
April 25, 2007 Astronomers speculate that a rocky planet roughly the same size and temperature of Earth exists about 20 light-years away.
April 24, 2007
The Hinode spacecraft and STEREO satellites are taking never-before-seen images of the sun--including some in 3D.
April 23, 2007
Discuss: Weightless flights, stellar delights
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