Gaia Will Map a Billion Stars
The European Space Agency is working an ambitious new space observatory that will be capable of precisely mapping a billion…
Sea Launch Investigation Begins
The Sea Launch team has begun looking into what caused a launch malfunction during last week's Telstar 18 mission, which…
Rings Pose New Mysteries
NASA scientists have been busy in the last few days, downloading the mountains of data sent back from Cassini when…
Cassini Makes Its First Titan Flyby
Only days after arriving at Saturn, Cassini made its first flyby of Titan, the planet's largest moon. The spacecraft only…
Post your Astro Photos
I've added a new section to the forum called "Astrophotography". Unlike all the other sections of the forum, this one…
A Connection Between Dark Energy and Dark Matter?
The concepts of Dark Matter (hidden mass that surrounds all galaxies) and Dark Energy (an accelerating force on the Universe)…
Asteroids Make Tau Ceti Lethal
Astronomers have found that a nearby star, Tau Ceti, is surrounded by 10 times as many asteroids and comets as…
Saturn’s Rings Up Close
As Cassini passed directly through a gap in Saturn's rings, it got the closest view any spacecraft has ever had…
New Observations of Procyon Defy Expectations
New observations of Procyon from MOST, Canada's space telescope, have called long-held assumptions about the star into doubt. Launched a…
Wallpaper: Star Formation in Nearby Galaxy
Another day, another wallpaper. Today it's a 1024x768 image of active star formation in the Large Magellanic Cloud (LMC), taken…