Data from the Rosetta mission, the Mars rover and the Herschel space observatory point to water's extraterrestrial origins.
Over the years, scientists have found many meteorites they believe came to Earth from Mars. These bits of debris have many interesting things to say.
In order to reach Mars, our astronauts may have to stop by a lassoed astroid first.
While there's still no evidence that life evolved on Mars, we now know that it at least could have.
NASA's Curiosity rover has found evidence for life-supporting conditions on ancient Mars.
For years scientists thought only two planets in our solar system had tectonic plates. But, now, it looks like Mars is joining the club.
The Mars Science Laboratory mission is sending its largest rover to the red planet. That rover's name is Curiosity.
If recent research is correct, the blackness between stars harbors more excitement than you could possibly comprehend.