Seasonal Jets Darken the Surface of Mars

18 years ago

Scientists now have an answer for the strange dark spots near the south polar ice caps on Mars. As the…

Astrophoto: Plato and the Alpine Valley by Mike Salway

18 years ago

For many years, there were three popular theories that tried to explain why Earth's satellite hangs in our skies. One…

A Magnetically Backwards Sunspot

18 years ago

Astronomers have been waiting to see a very special kind of sunspot, and this week, they saw what they were…

Why Old Stars Seem to Lack Lithium

18 years ago

Astronomers using ESO's Very Large Telescope think they've found a solution to the "cosmological lithium discrepancy". A specific amount of…

Orion Revealed by Spitzer

18 years ago

NASA's Spitzer Space Telescope captured this image of the Orion Nebula using its Infrared Array Camera. In this infrared view,…

Officials Propose 12 Planets in the Solar System

18 years ago

The International Astronomical Union, currently meeting in Prague, has announced a proposal that would boost the number of planets in…

What’s Up this Week: August 14 – August 20, 2006

18 years ago

Greetings, fellow SkyWatchers! I hope everyone had an excellent Perseid weekend? With the Moon further and further from early evening,…

Nothing But Rings

18 years ago

This photograph is a close-up view of Saturn's A ring taken by Cassini. Look closely and you'll see that the…

Hourglass-Shaped Magnetic Field Discovered

18 years ago

Astronomers have finally discovered an object that has long been theorized: an hourglass-shaped magnetic field in a star forming region.…

Book Review: Beyond Earth

18 years ago

Does humanity have a destiny? Are we to accomplish a task before ending as a species, or do we perhaps…