Now that water has been discovered on Mars, the next step is to ensure we don't contaminate the planet with Earthly microbes and bacteria.

We now know there's liquid water on Mars, according to NASA. But at the turn of the 20th century, we believed something else: that Mars had canals.

Liquid water has been detected on Mars. We explore the history of the search, and the astronomer, Percival Lowell, who shook the public imagination.

A Dutch non-profit plans to send voyagers on a one-way trip to Mars

Is there life on Mars? Probably not, but it's likely that there used to be.

Scholars examine gender roles, sex, and egalitarianism within marriage.