Smart 1 Reaches its 250th Orbit
The European Space Agency's SMART-1 spacecraft completed its 250th orbit this week on its long, slow journey to the Moon.…
X-43A is Ready for Testing
NASA has scheduled March 27 for the next flight for the experimental X-43A research vehicle. The unpiloted 4-metre prototype will…
Opportunity is Parked at the Shore of an Ancient Martian Sea
NASA announced today that Opportunity has found evidence that the rocks around it were built up at the bottom of…
Shuttle Components Were Installed Backwards
Technicians working on the space shuttles discovered last week that some gears in the braking mechanism had been installed backwards,…
New Proposal to Search for Dark Matter
Dark matter is a mystery. Astronomers know it's there because they can measure the effect of its gravity on stars…
Supernova Explodes Inside a Nebula
Astronomers have measured the light from a supernova, and believe that it was inside a very unusual star system when…
Opportunity’s Out of the Crater
NASA's Opportunity has crawled out of the crater it landed in, and turned back to survey its old home. Getting…
Five Years of Universe Today
In case you weren't counting, today marks the fifth anniversary of Universe Today. That's right, I started this space web…
A New Look at McNeil’s Nebula
Amateur astronomer Jay McNeil made a lucky discovery last month when he noticed a new smudge of dust in the…
Saturn With Cassini’s Blue Filter
NASA's Cassini spacecraft took this latest picture of Saturn this week when it was 59.9 million kilometres away. The photo…