Asteroid 2004 FH's Record Flyby
Right on schedule, asteroid 2004 FH made its dramatic pass about 42,700 kilometers (26,500 miles) above the Earth's surface on March 18, 2004.
Sundials Unite Mars and Earth
The Planetary Society is getting volunteers worldwide to build sundials that echo the ones NASA has placed on Mars.
Mars's Air Up There
By looking to the sky, the Mars Exploration Rovers hope to answer many lingering questions about the red planet's weather.
Stardust's Precious Comet Cargo
The Stardust spacecraft is coming home after collecting samples from Comet Wild 2.
Far-Flung Planetoid Shatters Distance Record
The discovery of an ice world more than twice as far from the Sun as Pluto may change thinking about how the solar system formed.
Small Asteroid Makes Closest Known Flyby
It may be no bigger than a small office building, but asteroid 2004 FH's close brush with Earth on March 18, 2004, definitely got astronomers' attention.
Follow the Hematite
Astronomers now know the source of the hematite in Meridiani Planum.
A Light Echo Revisited
The light pulse from a stellar flare has lit the surrounding gas in majestic colors.
Gloves Come Off in Fight to Save Hubble
Both houses of Congress are now battling NASA and the Bush administration over the future of the Hubble Space Telescope.
Astronomers, Journalists Glimpse Universe's Past, Hubble's Future
Hubble's deepest-yet image comes amid uncertainty about the space telescope's future.
Astro Images in the News:
Opportunity Catches Martian Moon Transits
A Mars rover images a Martian moon crossing the disk of the Sun.
Astronomy & Observing News
Astro Image in the News:
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Astro Image in the News:
Hubble's Deepest View Yet
Astronomers have combined more than XX00 images from the Hubble Space Telescope to produce it's most detailed image so far.
Redshift Record Smashed Again
Astronomers have used a gravitational lens to view a baby galaxy 96.5 percent of the way back to the Big Bang.
The 2003 Leonids: Back to Normal?
Interactions between Earth and a pair of debris trails left by Comet Tempel-Tuttle may make for some interesting, albeit brief, Leonid meteor activity this year.
Leonids '02: A Sprinkle in the Moonlight
Norwegian amateur Jarle Aasland caught this 2002 Leonid streaking past the bright star Aldebaran in Taurus, the Bull, at 4:57 UT on November 19th. He used a Nikon D100 (digital SLR) set to ISO 800 and a 5-second exposure.Courtesy Jarle Aasland. I arrived at the Sky & Telescope offices this…
Leonids 2002: The Grand Finale
Despite the presence of a full Moon, the possibility of seeing one last Leonid storm should bring observers out in force.
Storm Watch on Mars
If events of the past 30 years are an indication, there's a good chance that the Martian landscape may soon be cloaked by a major dust storm.
A House Call for a Hubble House Call
The US House of Representatives is considering a resolution that could lead to the reversal of NASA's widely criticized decision to stop servicing the Hubble Space Telescope.
A Mars "Soaked With Water"
The red arid terrain seen at the Opportunity landing site appears to have once been a locale capable of sustaining life.Courtesy NASA/JPL/Cornell. When the two Mars Exploration Rover missions were first envisioned, their mission was clear: find if and where water once persisted on Mars. To do this, Spirit landed…
