Saturn and Jupiter Formed Differently
It appears that Jupiter and Saturn formed in completely different ways, according to a new computer simulation sponsored by the…
New Plan to Move an Asteroid
The European Space Agency is considering an ambitious new mission that will attempt to move an asteroid. Named Don Quijote,…
Two Ecosystems in Antarctica’s Vostok?
Scientists from Columbia University and Rensselaer Polytechnic Institute have created a detailed map of Lake Vostok, which is buried 3,700…
Saturn’s Southern Atmosphere
Although Cassini has arrived at Saturn, NASA is still releasing photos it took of the Ringed Planet before it arrived.…
The Search for More Earths
When astronomers first realized that the stars in the sky were like our Sun, only more distant, they wondered if…
Zubrin on Terraforming Mars
When Robert Zubrin imagines the human colonization of Mars, he sees us eventually terraforming the planet to make it more…
Observatory Finds Its First Planet
The McDonald Observatory's Hobby-Eberly Telescope has found its first extrasolar planet. The planet is 2.84 times of the mass of…
Blue Moon on July 31
A Blue Moon is a fairly rare event that happens when there are two full moons in a single month.…
Forum Reaches its First Birthday
Exactly one year today I was nagged into setting up the Universe Today forum as a way for space enthusiasts…
Wallpaper: Saturn’s Rings in Ultraviolet
When Cassini swept past Saturn last week, it analyzed the planet's rings in many spectra to help scientists understand their…