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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.
 | High-resolution Mars Express images point to a frozen sea near the martian equator that may contain underground ice. The spacecraft also has detected enhanced amounts of methane in the atmosphere over the region. By Robert Burnham
Published: February 24, 2005 |
 | It's weak, it's everywhere, and it's pulling the universe apart. But no one knows what dark energy is.
By Dan Falk
Published: February 22, 2005 |
 | This galaxy's central black hole is only 1 percent the mass astronomers expected to find. By Dan Falk
Published: February 21, 2005 |
 | By installing a new screensaver, you can donate spare computer time to the search for gravity waves. By Francis Reddy
Published: February 21, 2005 |
 | Shuttle launch date set, young galaxy cluster, Ariane 5 Heavy soars, and more
Published: February 18, 2005 |
 | Astronomers may have discovered a galaxy without stars. By Ken Croswell
Published: February 18, 2005 |
 | Scientists have detected a burst from the other side of the Milky Way associated with shifting magnetic fields. By Liz Kruesi
Published: February 18, 2005 |
 | A feisty red dwarf in Antlia becomes the Sun's 28th nearest neighbor. By Ken Croswell
Published: February 17, 2005 |
 | Astronomers still can't explain the 2002 outburst of V838 Mon. By Francis Reddy
Published: February 16, 2005 |
 | New findings are expanding the realm of extrasolar planetary systems. By Robert Burnham
Published: February 16, 2005 |
 | The least massive stars may resemble Cepheids. By Ken Croswell
Published: February 11, 2005 |
 | An asteroid buzzing past Earth in 2029 will come closer than expected — and may not survive intact.
By Bill Cooke
Published: February 10, 2005 |
 | The ringed planet's northern latitudes appear a tranquil blue in new images shot by the Cassini spacecraft. By Jeremy McGovern
Published: February 10, 2005 |
 | Gales as strong as 270 mph buffeted the Huygens spacecraft as it descended toward Titan's surface. By Richard Talcott
Published: February 10, 2005 |
 | Astronomers observe the first "outcast" star.
By Michael E. Bakich
Published: February 10, 2005 |
 | In a tough year, NASA got a small budget increase — but the Hubble Space Telescope faces a grim future. By Robert Burnham
Published: February 8, 2005 |
 | A next-generation spectrograph will sit atop a giant Southern Hemisphere telescope.
By Michael E. Bakich
Published: February 4, 2005 |
 | Instruments destined for the venerable space telescope could form the basis for its replacement.
By Francis Reddy
Published: February 3, 2005 |
 | Astronomers have a new plan to achieve gender equality in their field. By Liz Kruesi
Published: February 2, 2005 |
 | Solar-system-scale lightning storms triggered by gamma-ray bursts may be responsible for a key feature of stony meteorites.
Robert Adler
Published: February 2, 2005 |
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