Rovers Find Another Indication of Martian Water

20 years ago

NASA's Spirit Mars rover has found even more evidence that there was liquid water in the Red Planet's past. Scientists…

Cassini Flies Past Mysterious Titan Again

20 years ago

NASA's Cassini spacecraft swept past Titan for the second time yesterday, this time on a more direct course, and passed…

What’s Up This Week – Dec 13 – Dec 19, 2004

20 years ago

Greetings fellow SkyWatchers! This week starts off on an exciting note as one of the most prolific and predictable meteor…

Work Begins on Magellan Giant Telescope

20 years ago

When it's complete, the Giant Magellan Telescope (GMT) will be the world's largest observatory, with a primary mirror 25.4 metres…

Dark Side of the Rings

20 years ago

Cassini took this image of Saturn's rings on October 27 as it swung past the dark side of the planet…

NASA Administrator Set to Resign

20 years ago

NASA Administrator Sean O'Keefe is set to resign this week from the agency, after heading it up for three years.…

Book Review: The Living Universe

20 years ago

Some people sit in the tub, yell "Eureka", and come up with a brand new view of matter. Others can…

The Winter Solstice Approaches

20 years ago

As the year winds down, observers in the Northern Hemisphere may notice the days growing steadily shorter; while observers in…

Planetary Systems Seen Forming

20 years ago

Both Hubble and the Spitzer Space Telescope have provided astronomers with a view of planetary systems forming around other stars…

Tarantula Nebula in Detail

20 years ago

Astronomers working with the European Southern Observatory took a series of images of the Tarantula Nebula (aka 30 Doradus), which…