Titan’s Fourth Flyby
NASA's Cassini spacecraft made its fourth flyby of Titan, Saturn's largest moon, on Tuesday. At its closest approach, the spacecraft…
SMART-1’s Mission Extended
Even though SMART-1 has only just reached the Moon, controllers with the European Space Agency have decided to extend its…
The Limit of Black Holes
Researchers have used the Chandra X-Ray Observatory to understand just how large supermassive black holes can get by performing a…
Book Review: Our Improbable Universe
From the big to the small, physicists want to know it all. But what good is this knowledge unless you…
Spirit Finds New Rock Affected by Water
Scientists working with the Mars Exploration Rover Spirit believe it's discovered another rock that was affected by liquid water in…
Centre of Valles Marineris
The European Space Agency's Mars Express spacecraft took this image of the central region of the Valles Marineris. This 4,000…
What’s Up This Week – Feb 14 – 20, 2005
Now who put that "Valentine" up there in the stars? Although the splendid IC 1805 will be lost to this…
Safe Havens for Planetary Formation
There should be relatively safe orbits within the swirling gas and dust of a newly forming solar system that could…
Swift’s First Burst Pinpointed
Astronomers from Carnegie and Caltech have pinpointed the exact location of the first gamma-ray burst detected by NASA's Swift observatory…
Enhanced Ariane 5 Blasts Off
The massive Ariane 5-ECA finally lifted off on Saturday, carrying two satellites into orbit, and demonstrating that the launcher is…