The Great Observatories View Supernova Remnant N49
Hubble, Chandra, and Spitzer - NASA's three Great Observatories - teamed up to create this beautiful photograph of supernova remnant…
Measuring the Shape of Supernove Explosions
Type 1a supernovae are used to measure distance in the Universe because they explode with the same brightness, detonating when…
Discovery Launch Planned for December 7
NASA senior managers have picked December 7 for the next launch for the space shuttle Discovery. If all goes well,…
Podcast: HiRise View of Mars
If you want to get a good view of something, you'll want a big telescope, or you want to get…
Year in Space 2007 Giveaway
Once again, I've got a little giveaway for the alert Universe Today reader. This time we're giving away a copy…
How Did Early Bacteria Survive Poisonous Oxygen?
Oxygen makes up 21% of the Earth's atmosphere, and we need it to breathe. But early organisms would have found…
Flood of New Hi-Resolution Mars Images Released
NASA's newest visitor to the Red Planet, the Mars Reconnaissance Orbiter, has been taking a torrent of photographs at the…
Rosetta Prepares for its Martian Close Up
Get ready Mars, you're about to have a visitor. ESA's Rosetta spacecraft, officially headed towards its 2014 encounter with comet…
Searching for Dark Matter Particles Here on Earth
Astronomers don't know what dark matter is, but they do know it takes up approximately 25% of the Universe. We…
Just a Single Asteroid Strike Wiped out the Dinosaurs
Most scientists agree that a large asteroid strike 65 million years ago ended the dinosaurs' reign on Earth. Some think…