This web page, authored and curated by David P. Stern, outlines the magnetic properties of the planets. Most large planets in the solar system have magnetic fields, probably produced quite differently from ours. This is...

This site focuses on the planet Mars. Some topics discussed are the planet interior, surface, atmosphere, its moons and rings, myths, missions made to Mars, image archives, and an animation showing the orbit of Mars. ...

Mars has intrigued people for centuries, in particular because of its potential for extraterrestrial life. Today, technology has advanced to the point that scientists can actually send robots such as those used in NASA's...

During the first of two landings in the Mars Exploration Rover mission, scientists and engineers were full of anticipation and anxiety the night that the rover 'Spirit' was due to land. Would the rover land safely and be...

It is not easy to get to Mars. Dozens of past missions have failed, with only a handful even attempting to land on the planet's surface. However, in January 2004, careful planning paid off when the Mars Exploration Rover...