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613 articles from NASA

• WEDNESDAY 22. OCTOBER, 2008
• 22:30 The Case of the Missing Gamma-ray Bursts

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  Gamma-ray bursts are by far the brightest and most powerful explosions in the Universe, second only to the Big Bang itself. So it might seem a bit surprising that a group of them has gone missing.  

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• TUESDAY 21. OCTOBER, 2008
• 22:50 The Oddball Hosts of Gamma-ray Bursts

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  Cosmic explosions known as gamma-ray bursts are curiously picky about where they explode. Shunning spiral galaxies like the Milky Way, gamma-ray bursts prefer to 'go off' in oddball star systems that astronomers are just beginning to understand.  

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• MONDAY 20. OCTOBER, 2008
• 18:46 Brief Mystery: What are Short Gamma-ray Bursts?

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  A curiously short-lived type of gamma-ray burst has astronomers puzzled. Leading experts discuss the clues at today's Gamma-ray Burst Symposium in Huntsville, Alabama.  

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• FRIDAY 17. OCTOBER, 2008
• 23:01 Discovered: A New Kind of Pulsar

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  NASA's Fermi Gamma-ray Space Telescope has discovered a new kind of pulsar that hints at a previously unsuspected population of stars waiting to be found in the Milky Way.  

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• THURSDAY 16. OCTOBER, 2008
• 22:15 Gamma-ray Bursts: The Mystery Continues

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  More than four decades after they were discovered, gamma-ray bursts continue to mystify astrophysicists. Next week, experts from 25 countries will converge on Huntsville, Alabama, to discuss and debate clues to the biggest explosions since the Big Bang itself.  

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• FRIDAY 10. OCTOBER, 2008
• 23:01 The Day the World Didn't End

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  Last month when scientists switched on the Large Hadron Collider, the world did not come to an end. In today's story, a particle physicist explains why not--and why Earth is safe from black holes when the collider is reactivated in the months ahead.  

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• THURSDAY 9. OCTOBER, 2008
• 08:15 Liquid Mirror Telescopes on the Moon

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  A team of internationally renowned astronomers and opticians may have found a way to make 'unbelievably large' telescopes on the Moon.  

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• WEDNESDAY 8. OCTOBER, 2008
• 00:55 Mercury as Never Seen Before

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  NASA's MESSENGER spacecraft flew past Mercury on Oct. 6th capturing amazing new images of never-before-seen terrain.  

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• THURSDAY 2. OCTOBER, 2008
• 22:05 How Round is the Sun?

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  Scientists using NASA's RHESSI spacecraft have measured the roundness of the sun with unprecedented precision, and they find that it is not a perfect sphere. During years of high solar activity the sun develops a thin "cantaloupe skin" that significantly increases its apparent oblateness.  

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• WEDNESDAY 1. OCTOBER, 2008
• 22:15 MESSENGER Returns to Mercury

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  NASA's MESSENGER spacecraft is returning to Mercury. On Monday, Oct. 6, 2008, the probe will conduct the second of three planned flybys and photograph most of Mercury's remaining unseen surface.  

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• 00:40 Spotless Sun: Blankest Year of the Space Age

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  Astronomers who count sunspots have announced that 2008 has become the "blankest year" of the Space Age. Sunspot counts are at a 50-year low, signifying a deep minimum in the 11-year cycle of solar activity.  

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• TUESDAY 23. SEPTEMBER, 2008
• 22:55 Solar Wind Loses Power, Hits 50-year Low

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  In a briefing today at NASA headquarters, solar physicists announced that the solar wind is losing power. This development has repercussions across the solar system.  

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• FRIDAY 19. SEPTEMBER, 2008
• 08:30 Pollen Alert!

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  NASA is teaming up with public health organizations to create a pollen alert system that could help people with maladies ranging from common hay fever to serious heart and lung diseases.  

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• WEDNESDAY 17. SEPTEMBER, 2008
• 22:55 Polar Crown Prominences

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  Japan's Hinode spacecraft is beaming back must-see movies of a spectacular solar phenomenon known as 'polar crown prominences.'  

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• FRIDAY 12. SEPTEMBER, 2008
• 22:25 Spooky Hurricane Science

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  To improve hurricane forecasting, NASA engineers are spending time in a spooky room where 'no one can hear you scream.'  

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• WEDNESDAY 10. SEPTEMBER, 2008
• 22:20 Naked-Eye Gamma-ray Burst Aimed Directly at Earth

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  Scientists are beginning to unravel the mystery of an extraordinary gamma-ray burst on March 19, 2008, which was visible to the naked eye. It turns out the explosion was aimed directly at Earth.  

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• FRIDAY 5. SEPTEMBER, 2008
• 22:00 NASA to Explore a "Secret Layer" of the Sun

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  NASA researchers are preparing to launch an experimental telescope that can see a layer of the sun thought to be the "birthplace of space weather."  

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• WEDNESDAY 3. SEPTEMBER, 2008
• 00:35 Amateur Astronomers See Perseids Hit the Moon

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  Backyard astronomers watching the Perseid meteor shower last month saw meteoroids hitting not only Earth but also the Moon. They recorded the impacts using backyard telescopes and off-the-shelf cameras, showing that "lunar meteors" are easy targets for amateur observatories and that amateur astronomers can contribute to NASA's lunar research.  

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• WEDNESDAY 27. AUGUST, 2008
• 00:35 First Light for the Fermi Space Telescope

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  Today, NASA revealed first light images and announced a new name for its latest space telescope.  

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• MONDAY 25. AUGUST, 2008
• 20:45 Strange Clouds at the Edge of Space

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  Astronauts on board the International Space Station have recently photographed strange electric-blue clouds hovering at the edge of space.  

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• TUESDAY 19. AUGUST, 2008
• 22:00 Living with a Star

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  What if you woke up one morning and found your whole planet had been swallowed by the atmosphere of a star? Don't laugh, it could happen to you, and NASA has a special program to deal with it.  

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• FRIDAY 15. AUGUST, 2008
• 20:25 The Realm of Earthworms: NASA Gets Down to the Nitty-Gritty

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  NASA scientists are preparing to launch a "flying tractor" with microwave sensors to explore the nitty-gritty realm beneath your feet.  

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• MONDAY 11. AUGUST, 2008
• 20:40 A Flash of Insight: LCROSS Mission Update

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  There are places on the Moon where the sun hasn't shined for millions of years, inky-dark places that may harbor a treasure of great value. NASA's is about to light one of them up.  

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• THURSDAY 31. JULY, 2008
• 22:35 A Brief History of Solar Sails

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  Have you ever stared up at the night sky, felt a gentle breeze, and wished you could set sail for the stars? Get in line. Many great thinkers from history have had the same idea. This long-held fancy could soon become reality with one solar sail mission on the drawing board and another already on the launching pad, slated to blast off this summer.  

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• WEDNESDAY 30. JULY, 2008
• 00:15 Partial Eclipse, Total Fun

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  This Friday, August 1st, millions of people in China will witness a well-publicized total eclipse of the sun. Less widely reported is the partial eclipse, which *billions* of people across a quarter of the globe can observe and enjoy.  

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