NASA's newest visitor to the Red Planet, the Mars Reconnaissance Orbiter, is still in the process of shrinking its orbit,…
When it comes to astronomy, large telescopes rule. But if you can get your instrument into space, you bypass the…
Greetings, fellow SkyWatchers! Get ready to rock as the week opens with the another stream of the Ophiuchid meteor shower…
This photograph shows Saturn's moon Dione as a thin crescent beneath the luminous F ring. The image shows the dark…
Construction has begun on a cosmic ray observatory in the Utah desert that should be 10 times more sensitive than…
ESA announced today that Italian astronaut Paolo Nespoli will be joining the crew of STS-120, due to launch in summer…
A Zenit-3SL rocket blasted off from Sea Launch today, carrying PanAmSat's Galaxy 16 communications satellite. The rocket lifted off from…
It's been a long hard road to bring the space shuttle fleet back to service after falling foam led to…
Scaled Composite's SpaceShipOne claimed the X-Prize when it reached an altitude of 100km for the second time in less than…
Even though our Solar System's gas giants vary widely in size and mass, they do have something in common. Each…