M-Class Dwarfs Could Be Good For Life After All
More than half the stars in our galaxy are small, dim M-class stars. Until now, researchers looking for extraterrestrial civilizations…
Ariane 5 Lofts Record Payload into Orbit
An Ariane 5 rocket blasted off Thursday from Kourou, French Guiana carrying two satellites: Spaceway 2 broadcast satellite for DIRECTV,…
Gravity Probe B Will Tell Us If Einstein Was Right
NASA/Stanford's Gravity Probe B spacecraft recently wrapped up a year of gathering data about the Earth's gravity field. If Einstein…
Simulation Casts Doubts on One Theory of Star Formation
Astrophysicists at Lawrence Livermore National Laboratory have developed a computer simulation that fails to support one of two major theories…
Spirit Sees a Martian Lunar Eclipse
NASA's Spirit Mars rover recently observed the Martian moon Phobos pass through Mars' shadow. When this event happens here on…
Close-Up on Pandora
This is the best photograph ever taken of Saturn's F ring shepherd moon Pandora, taken by the spacecraft on September…
New Class of Supergiant Binary Stars Discovered
ESA's Integral gamma-ray observatory has discovered a new class of X-ray fast transient binary stars, which had gone undiscovered in…
Podcast: Best Space and Astronomy Books of 2005
The year is coming to a close. And in case you haven't been counting, we've reviewed more than 50 space…
Side-by-Side Supernova Remnants
This unique photograph, taken by NASA's Chandra X-Ray Observatory, contains not one, but two supernova remnants. The pair are known…
Spotlight on the Cassini Division
In this face-on view of Saturn's rings, the darker Cassini Division is clearly visible. On the left is Saturn's massive…