Year of the Comet
Comet C/2011 L4 (PANSTARRS)

PANSTARRS information

Comet C/2012 S1 (ISON)

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Astronomy News

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.

February 2005
Pack ice in Elysium Planitia
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
Leonard Susskind ponders dark energy
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
Black Hole Jet
This galaxy's central black hole is only 1 percent the mass astronomers expected to find.
By Dan Falk
Published: February 21, 2005
Einstein@Home's Bruce Allen
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
Shuttle launch date set, young galaxy cluster, Ariane 5 Heavy soars, and more
Published: February 18, 2005
Virgo cluster
Astronomers may have discovered a galaxy without stars.
By Ken Croswell
Published: February 18, 2005
Glimpse of a magnetar
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
Star and Planet
A feisty red dwarf in Antlia becomes the Sun's 28th nearest neighbor.
By Ken Croswell
Published: February 17, 2005
V838 Mon, October 2004
Astronomers still can't explain the 2002 outburst of V838 Mon.
By Francis Reddy
Published: February 16, 2005
A brown dwarf's protoplanetary disk
New findings are expanding the realm of extrasolar planetary systems.
By Robert Burnham
Published: February 16, 2005
Horsehead Nebula
The least massive stars may resemble Cepheids.
By Ken Croswell
Published: February 11, 2005
Asteroid impact
An asteroid buzzing past Earth in 2029 will come closer than expected — and may not survive intact.
By Bill Cooke
Published: February 10, 2005
Mimas and Saturn
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
Robert C. Byrd Green Bank Telescope
Gales as strong as 270 mph buffeted the Huygens spacecraft as it descended toward Titan's surface.
By Richard Talcott
Published: February 10, 2005
Outcast star
Astronomers observe the first "outcast" star.
By Michael E. Bakich
Published: February 10, 2005
Lonely Hubble
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
Spectrograph overview
A next-generation spectrograph will sit atop a giant Southern Hemisphere telescope.
By Michael E. Bakich
Published: February 4, 2005
Hubble Origins Probe
Instruments destined for the venerable space telescope could form the basis for its replacement.
By Francis Reddy
Published: February 3, 2005
American Astronomical Society logo
Astronomers have a new plan to achieve gender equality in their field.
By Liz Kruesi
Published: February 2, 2005
Artistic Representation of a Gamma Ray Burst
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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