Beware the Mars Hoax
Earth and Mars are converging for a close encounter--but not as close as some people think.
Weather, Weather, Everywhere?
The seasons that occur on other planets are extremely different from the traditional weather that we experience here on Earth.
Dirty Ice on Mars
Instruments on the Odyssey spacecraft show that a lot of dirty ice sits within a meter of the surface in the south polar latitudes of Mars.
Night of the Two Moons
Separated by more than a billion miles, Saturn's mysterious Titan and Earth's moon came together for a night in October.
Titan's Surface Revealed
Piercing the smog enshrouding Titan, new images from Cassini reveal an exotic surface covered with a variety of materials.
Blue Moon Rising
July 2004 has two full moons, which means one of them is a Blue Moon. But will it really be blue? Believe it or not, scientists say blue-colored moons are real.