Is This a Lake on Titan?
Planetary scientists have speculated that there could be lakes of liquid hydrocarbons on the surface of Titan, Saturn's largest moon,…
Spotty Janus
NASA's Cassini spacecraft took this photograph of Janus, one of Saturn's many moons. The 181 km (113 mile) moon is…
X-Rays Sparkle in Saturn’s Rings
Even in X-rays, Saturn is beautiful. The latest image taken by NASA's Chandra X-ray observatory shows how the rings sparkle…
Spacecraft Wakes Up for Comet Collision
The Submillimeter Wave Astronomy Satellite (SWAS) has been asleep for the past 11 months, but now it's being woken up…
Podcast: Having a BLAST in the Arctic
If you're an astronomer and you want to escape the Earth's hazy atmosphere, you need a space telescope... right? Not…
Audio: Having a BLAST in the Arctic
If you're an astronomer and you want to escape the Earth's hazy atmosphere, you need a space telescope... right? Not…
What’s Up This Week – June 27 – July 3, 2005
The dance of the planets continues as we watch Mercury, Venus and Saturn shuttle around the twilight sky. Mars and…
Electric Shield for Astronauts on the Moon
Now that NASA has committed itself to returning humans to the Moon, they're looking to overcome one of the major…
Hubble Sees a Jet on Comet Tempel 1
The Hubble Space Telescope was lucky to watch a jet of dust streaming off of Comet Tempel 1; a prelude…
Making the Mirror for the World’s Largest Telescope
Workers at the University of Arizona's Steward Observatory Mirror Lab have begun pre-firing one of the 8.4 metre mirror segments…