An orbiting camera spies evidence of seasonal water on Mars' surface.
Rover "Curiosity" ups the ante in search for life beyond Earth, but can't directly detect Martian life.
NASA has decided on where the Mars Science Laboratory, or 'Curiosity,' will land on Mars next year.
Will bootprints in the Martian soil be a part of our future, or will the interplanetary trip prove too hazardous for humans?
On June 28, 1911, an explosion shook the Nakhla region of Alexandria in Egypt at 9 a.m. According to an eyewitness account, a dog perished in the resulting meteorite fall.
NASA's Mars Science Laboratory arrived at Kennedy Space Center, Fla., late Wednesday for launch preparations.
Before we send another biology experiment to Mars, let's build our own Martian environment in a lab and see which Earth lifeforms survive.
Think the lunar eclipse was cool? Well, check out the view from Europe's Mars Express, which is the only known witness to a recent eclipse of Jupiter by the Martian moon Phobos.
The HiRISE camera on board a NASA satellite orbiting Mars has spotted a recent series of meteorite impacts on the Martian surface, a stark reminder of the dangers that face future Mars colonies.
An overactive imagination and satellite photos of Mars can be a volatile combination.