Wallpaper: Louros Valles

20 years ago

Here's a beautiful 1024x768 desktop wallpaper of a series of sapping channels on Mars called Louros Valles. On the right…

Field Reversal Takes 7,000 Years

20 years ago

Scientists have known for a long time now that the Earth's magnetic field unexpectedly reverses polarity over long periods of…

Cassini Sees Merging Storms on Saturn

20 years ago

NASA's Cassini spacecraft continues its approach to Saturn, and its latest images show incredible detail of two storms in the…

Hubble Peers Into the Heart of Galaxy NGC 300

20 years ago

The Hubble Space Telescope has been focused to peer deep into the heart of nearby galaxy NGC 300, and revealed…

Book Review: Practical Astronomy

20 years ago

The book, "Practical Astronomy", by Storm Dunlop, is a wonderful beginner's guide that brings order to the multitude of light…

Aura Satellite Delivered to Launch Facility

20 years ago

NASA's Aura satellite - the latest in a series of Earth observing spacecraft - arrived at Vandenberg Air Force Base…

Outer Planets Could Warm Up as Sun Dies

20 years ago

The Sun is heating up, and in 4 billion years from now it will swell up to become a red…

Genesis Prepares to Return to Earth

20 years ago

NASA ordered the Genesis spacecraft to close up its particle collectors this week, to prepare its sample-return capsule to enter…

Milky Way is a Dangerous, Turbulent Place

20 years ago

After 15 years of observation, over the course of more than 1,000 nights, a European team of astronomers has collected…

Asteroid Search Looks South

20 years ago

Most of the asteroid sky surveys have been carried out in the Northern Hemisphere, but astronomers from the University of…