Lava Tubes on Pavonis Mons
Lava tubes down the side of Pavonis Mons. Image credit: ESA. Click to enlarge This photograph shows one of Mars'…
Iapetus in Dark and Light
Saturn's moon Iapetus. Image credit: NASA/JPL/SSI. Click to enlarge Cassini captured these images of Saturn's moon Iapetus, with opposing bright…
Astrophoto: The Whirlpool Galaxy by Robert Gendler
The Whirlpool Nebula by Robert Gendler Looking up into the midnight sky, with a faint cool breeze at your neck…
What’s Up This Week – May 22 – May 28, 2006
The Leo Triplet. Image credit: REU Program/NOAO/AURA/NSF. Click to enlarge Greeting fellow SkyWatchers! This week will be a great time…
Three Storms on Saturn
Three big vortices swirling through Saturn's southern latitudes. Image credit: NASA/JPL/SSI. Click to enlarge Three giant storms swirl across the…
Exposed Bedrock on Mars
Cobbles appearing on trough floors between wind-blown ripples. Image credit: NASA/JPL. Click to enlarge NASA's Opportunity rover captured this photograph…
“Lucky” Cluster Spacecraft Buffeted by the Solar Wind
Sketch of the different regions in of Earth's magnetosphere. Image credit: ESA. Click to enlarge ESA's Cluster spacecraft were in…
Massive Stars Slowed Early Galaxy Growth
An illustartion of an early dwarf galaxy surrounded by red hydrogen gas. Image credit: David A. Aguilar/CfA. Click to enlarge…
Amateur Team Finds an Extrasolar Planet
Artist's Concept of Transiting Planet XO-1b. Image credit: NASA/ESA/STScI. Click to enlarge Amateur astronomers have used inexpensive equipment to discover…
Three Neptunes Orbiting Another Star
An artist's impression of a planetary system around HD 69830. Image credit: ESO. Click to enlarge Astronomers have discovered a…