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Your online destination for news articles on planets, cosmology, NASA, space missions, and more. You’ll also find information on how to observe upcoming visible sky events such as meteor showers, solar and lunar eclipses, key planetary appearances, comets, and asteroids.
 | With just a few days until taking on the true test, Deep Impact aced two unexpected pop quizzes. By Matt Quandt
Published: June 29, 2005 |
 | Steward Observatory Mirror Lab technicians will soon fire up the furnace for the first extremely large telescope project. By Matt Quandt
Published: June 29, 2005 |
 | Every August, Earth passes through a trail of comet dust, creating the Perseid meteor shower. In 1993, a Perseid meteoroid had a deep impact of its own. By Bill Cooke
Published: June 29, 2005 |
 | NASA gets an incomplete grade on three safety issues for returning to flight. By Robert Burnham
Published: June 28, 2005 |
 | Cassini's camera may have spotted a lake near the saturnian moon's southern pole. By Robert Burnham
Published: June 28, 2005 |
 | Uranus and Neptune may not have formed the way astronomers thought. By Michael Carroll
Published: June 24, 2005 |
 | Images of Arp 65 and Arp 107 reveal warm dust, young stars, and a Chesire-cat smile.
By Francis Reddy
Published: June 22, 2005 |
 | Professional telescopes on the ground and in space are set to watch the blast July 4. By Michael E. Bakich
Published: June 22, 2005 |
 | The team continues searching for Cosmos 1, but admits the experimental spacecraft most likely crashed back to Earth. By Liz Kruesi
Published: June 22, 2005 |
 | The bright star Fomalhaut has a ring of dust pulled off-center by a planet's gravity. By Robert Burnham
Published: June 22, 2005 |
 | DCT mirror sag complete, SMART-1's flare assist, New Horizons spacecraft on the road, and more
Published: June 22, 2005 |
 | A new theory suggests light arises because relativity's rules can be broken at the quantum level. By Francis Reddy
Published: June 21, 2005 |
 | When did the universe reionize itself? The Milky Way's oldest stars may hold the answer. By Ken Croswell
Published: June 16, 2005 |
 | Although this exoplanet is the most earthlike extrasolar body yet detected, it is quite different from our home. By Jeremy McGovern
Published: June 13, 2005 |
 | The "Oscars of the Internet" recognize Astronomy magazine's home page. By Matt Quandt
Published: June 10, 2005 |
 | The chemical composition of the two earliest known stars suggests they were seeded by a still earlier generation of supernovae. Robert Adler
Published: June 9, 2005 |
 | NASA's Spitzer Space Telescope discovers an infrared echo from the Cassiopeia A supernova — and evidence of a surprise reprise. By Francis Reddy
Published: June 9, 2005 |
 | Astronomers find the disk of the Andromeda Galaxy is 3 times larger than previously thought. Robert Adler
Published: June 9, 2005 |
 | After struggling through a patch of soft dust for more than a month, the Mars Exploration Rover Opportunity has finally broken free. By Francis Reddy
Published: June 6, 2005 |
 | Astrophysicists have simulated the universe's evolution, or at least a large cube of it. By Liz Kruesi
Published: June 3, 2005 |
 | Astronomers have linked neutrino observatories around the world to create an early warning system for exploding stars. By Francis Reddy
Published: June 3, 2005 |
 | A tiny red star erupted in the largest UV flare ever seen while NASA's GALEX looked its way. By Francis Reddy
Published: June 2, 2005 |
 | Quebec leads the charge against light pollution. By Andrew Fazekas
Published: June 1, 2005 |
 | The net tightens on a particular supernova type as the source of long gamma-ray bursts. Robert Adler
Published: June 1, 2005 |
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