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07/02NASA astronaut takes Twitter to space en Espanol
07/02Wimbledon takes tennis high-tech
07/02Lunar Reconnaissance Orbiter snaps its first images of the moon
07/02Probe returns first Moon images
07/01Phoenix mission research points to martian climate cycles
07/01Tunguksa Mystery Solved by Space Shuttle?
07/01"Diamond Dust" Snow Falls Nightly on Mars
07/01Solar eclipse 2009: Totality crosses eastern Asia
07/01Get ready for the great Asian eclipse
07/01Ulysses spacecraft ends historic mission of discovery
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07/03Planck: Planck instruments reach their coldest temperature
07/01NASA Astronaut Starts Agency's First Bilingual Twitter
07/01NASA Updates Shuttle Prelaunch Events and Countdown Details
07/01NASA's Fermi Telescope Probes Dozens of Pulsars
07/01NASA's LRO Spacecraft Sends First Lunar Images to Earth
07/01Astronauta de Nasa Comienza el Primer Twitter Bilingüe de la Agencia Espacial
06/29Space Station Appearing Nationwide Over July 4 Weekend
06/29NASA TV to Broadcast Space Station Crew's Move of Return Craft
06/28NASA Holds Test to Verify Endeavour Tank Repairs
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07/01"Diamond Dust" Snow Falls Nightly on Mars
07/01July Science Picks -- Leads, Feeds and Story Seeds
07/01Atlantic Ocean Temperatures at End of June 2009
07/01Myanmar fossil may shed light on evolution
07/01New Fossil Primate Challenges "Missing Link" Ida
07/01Key polar research centres sign up to cooperative deal
07/01Myanmar fossil may shed light on evolution
06/30New Material Could Vastly Improve Carbon Capture
06/30Observing the scars of the Arctic thaw
06/29How the Piranha Got Its Teeth
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Features

Stroll the solar system
Join me at the B&A Trail in Glen Burnie, Maryland, on a hike through the solar system — with NASA experts along the way. Get the podcast »

Features

Saturn's sweet spot
On January 27, 2006, Saturn reached its closest point to Earth for the year. The Ringed Planet won't look this good through a telescope for decades to come. This story from 2003 tells why. More »

Star light, star brightest
Nearly one millennium ago, the sudden appearance of the brightest star in recorded history puzzled and frightened sky watchers around the world. The new star of 1006 was actually a nearby supernova, the visible manifestation of a star's complete destruction. More »

Through Andromeda, deeply
Visible even to the unaided eye as a foggy spindle of light, the Great Galaxy in Andromeda, or M31, is the single most studied object outside our own galaxy. Just 2.5 million light-years away, it is the nearest giant spiral, one roughly similar in size, mass, and type to our own Milky Way galaxy. More »