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

PANSTARRS information

Comet C/2012 S1 (ISON)

ISON information

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.

May 2004
Park Forest meteorite shower fragment
Last year, a brilliant fireball shattered above the Chicago suburb of Park Forest, Illinois. Astronomers have pieced together a detailed postmortem of the event.
By Andrew Fazekas
Published: May 26, 2004
Rim of Endurance Crater
Rover scientists begin to unravel the geological mysteries of the martian landing sites.
By Andrew Fazekas
Published: May 25, 2004
The Astronomical Society of the Pacific announces the winners of its 2004 awards.
By Jeremy McGovern
Published: May 24, 2004
Orbit of 2003 YN107, 1981 - 2026
Astronomers have located an asteroid that has become a surprisingly stable "quasi-satellite" of Earth.
By Andrew Fazekas
Published: May 22, 2004
False-color view of Ida
Asteroids turn red as they age, confirming a long-suspected notion that space somehow "weathers" exposed rocks.
By Francis Reddy
Published: May 22, 2004
Analog "tholins"
University of Arizona chemists are re-creating and studying the atmosphere of Saturn's largest moon.
By Pamela Zerbinos
Published: May 20, 2004
Model of asteroid 4179 Toutaits
Bouncing radio beams give scientists a surprising glimpse of near-Earth asteroids.
By Andrew Fazekas
Published: May 20, 2004
Location of the Permian impact crater
Scientists say they've found an impact site associated with the world's largest extinction.
By Francis Reddy
Published: May 15, 2004
Exploding cigar
A cosmic shower, shortest asteroid orbit, the shape of space, and more
Published: May 13, 2004
The Red Rectangle
A Hubble image of the "Red Rectangle" reveals unique features.
By Pamela Zerbinos
Published: May 11, 2004
Cassini's early images of Titan herald great things to come.
By Pamela Zerbinos
Published: May 10, 2004
Artist's rendition of early universe
A new theory points the way for cosmologists to unveil the "Dark Ages" of the young universe.
By Andrew Fazekas
Published: May 7, 2004
Saturn fills Cassini's field of view
Cassini science kicks into high gear as the probe closes on the ringed planet.
By Pamela Zerbinos
Published: May 5, 2004
Sunyaev-Zeldovich Array
Two new projects will give astronomers an unprecedented census of the early days of galaxy formation.
Amanda Gefter
Published: May 1, 2004
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