SUNSET: 
New Distance Record Holder Found
Astronomers have imaged a galaxy even closer to the edge of the observable universe.
Amateur Astronomer Discovers Newborn Nebula
On the night of January 23rd, armed with a 78-millimeter refractor and a CCD camera, an amateur astronomer bagged a new nebula from his rural Kentucky backyard.
Amateur Shoots Mars "Picture of the Year"
Wally Pacholka captured this view of Mars — later named one of TIME magazine's Pictures of the Year.
Lensed Quasars Hit the Charts
In the span of three weeks, astronomers twice smashed a record that had stood since 1979.
Stardate 2004: "Simply the Best"
On January 23–26 New Zealand's Phoenix Astronomical Society held its 16th annual Stardate star party.
Hubble Debate Heats Up
The fate of the Hubble Space Telescope remains uncertain as astronomers and others question whether NASA is justified in deciding to stop servicing the orbiting observatory.
Blowin' in the Planetary Wind
Astronomers have identified oxygen and carbon in an exoplanetary atmosphere.
Stellar Breakups
Several binary stars in the Orion Nebula have split up and gone packing.
Making Planetary Nebulae
It make a dying double star to create a planetary nebula — and to make it light up.
Opportunity Finds Hematite and Rolls to Martian Surface
NASA’s Mars rover Opportunity, now on the Martian surface, has found evidence for a mineral that usually forms in water.
Opportunity Ready to Roll, Spirit on the Mend
This mosaic assembled from the Mars Exploration Rover Opportunity's Panoramic Camera images shows rock outcrops less than 10 meters away. These rocks will be one of the first targets for the rover after it rolls off the lander on January 31st.Courtesy NASA / JPL / Cornell University.
Opportunity Rocks, Spirit Awakens
Jubilant scientists and engineers prepare to investigate a new site on Mars — and continue to make progress on fixing Spirit.
Hubble Gets a Reprieve
NASA administrator Sean O'Keefe has agreed to seek a second opinion concerning whether to stop servicing the Hubble Space Telescope.
How to Help Hubble
S&T's readers are asking how to resist NASA's decision to stop servicing the Hubble Space Telescope. Here's a guide to useful actions you can take.
Hubble's Really Big Picture
By stitching together 78 high-resolution Hubble Space Telescope photos, astronomers have created Hubble's widest "deep field."
Opportunity Lands, Spirit Revives
This 360° panorama was assembled from some of the first images beamed to Earth from NASA's Opportunity rover after it landed at Meridiani Planum on Mars.Courtesy NASA/JPL. NASA got a double dose of good news from Mars last night. The Opportunity rover landed successfully on Meridiani Planum and began sending…
Spirit Out Indefinitely
NASA's Mars rover is communicating with Earth, but it remains in critical condition.
Spirit's Communication Breakdown
Before the recent communication glitch, Spirit's Panoramic Camera took a series of images of the lander, which were assembled into this near-true-color mosaic.Courtesy NASA / JPL / Cornell University. [Updated 10:05 a.m. EST, January 23] Mission controllers at the Jet Propulsion Laboratory are experiencing a potentially fatal communication problem with…
Hubble Supporters Fight Back
Astronomers and their supporters in Congress are beginning to fight back against NASA's decision to stop servicing the Hubble Space Telescope.
Hubble Gets the Heave-Ho
NASA has announced that the Hubble Space Telescope will not be serviced again, signaling the beginning of the end for the orbiting observatory.
