17 Feb 2010 at 10:00pm
NASA's Solar Dynamics Observatory amazed onlookers last week when it flew past a sundog and destroyed it. Must-see videos of the event captured shock waves from the rocket billowing through the sundog, eliciting cries of delight and amazement from the crowd below.
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16 Feb 2010 at 10:00pm
Imagine holding the entire sun in the palm of your hand. Now you can. A new iPhone app developed by NASA-supported programmers delivers a live global view of the sun directly to your cell phone.
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9 Feb 2010 at 10:00pm
Terrestrial gamma-ray flashes (TGFs) surge through thunderstorms at about the same altitude where commercial airliners fly. Do these blasts of gamma-radiation pose a hazard to air travelers?
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4 Feb 2010 at 10:00pm
The Solar Dynamics Observatory (SDO), slated for liftoff on Feb. 9th, will make IMAX-quality movies of solar explosions, peer beneath the stellar surface to see the sun's inner dynamo, and--researchers hope--unravel the mysteries of solar variability.
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1 Feb 2010 at 10:00pm
NASA's Hubble Space Telescope has observed a mysterious X-shaped debris pattern and trailing streamers of dust that suggest a head-on collision between two asteroids.
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28 Jan 2010 at 10:00pm
There's a mystery in the skies of Earth: Something is producing bright flashes of gamma radiation in the upper atmosphere of our own planet. A new NASA-NSF mission called Firefly is going to investigate.
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25 Jan 2010 at 10:00pm
This week Earth and Mars are having a close encounter. On Jan. 27th, the Red Planet will be only 99 million kilometers away and look bigger through a telescope than at any time between 2008 and 2014.
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25 Jan 2010 at 10:00pm
NASA announced today that Mars rover Spirit cannot be freed from its Martian sandtrap. Now the rover will begin a second career as a stationary science platform.
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14 Jan 2010 at 10:00pm
Evidence is mounting that a strong magnetic field lurks just beyond the edge of the solar system. This could explain the recent discovery of a "giant ribbon" in space by NASA's IBEX spacecraft.
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13 Jan 2010 at 10:00pm
NASA's next great observatory, the James Webb Space Telescope, is designed to study stars and galaxies. Astronomers are beginning to realize, however, that Webb will make a great planet hunter too.
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