Iapetus Has a Seam

20 years ago

Scientists already considered Saturn's moon Iapetus unusual, because of its strange two-toned appearance; one hemisphere is dark, while the other…

Topography Mission Wraps Up With Australia

20 years ago

After four years of data crunching, NASA and the National Geospatial-Intelligence Agency have completed a comprehensive topographical map of 80%…

New Shuttle Tank Arrives in Florida

20 years ago

NASA completed a major milestone this week as part of its work to get the space shuttle fleet flying again…

10 Things to Do in 2005

20 years ago

Happy New Year fellow sky watchers! The New Year gives everyone a chance to make plans, resolve themselves to new…

Map of Dark Matter Developed

20 years ago

Astronomers from Yale have used data from the Hubble Space Telescope to develop a map of dark matter clumped inside…

Robotic Hubble Servicing Contract Awarded

20 years ago

NASA has given a Canadian firm the green light to begin developing a robotic salvage mission that could repair and…

Swift Sees Bursts Right Away

20 years ago

NASA's Swift observatory is only in the initial testing period, and it's already finding massive gamma ray bursts. Scientists were…

Book Review: Mars: A Warmer Wetter Planet

20 years ago

At a traditional wedding, the bride, well hidden by a veil, gracefully walks up the aisle. At the appropriate moment,…

Fresh Crater on Rhea

20 years ago

Cassini took this image of Rhea, one of Saturn's moons, which shows the bright rays from a relatively fresh crater…

Magnetic Fields Could Shape Nebulae

20 years ago

Planetary nebulae are created when large stars shed material near the end of their lives. This material should expand in…