Strange, sinuous gullies etched into the dunes of Mars are finally giving up their secrets. These gouges, new experiments reveal, are carved by the explosive sublimation of dry ice, burrowing down the ...

Valles Marineris is an enormous rift valley system on Mars that scientists want to scour for traces of liquid water, which ...

A radio glitch Tuesday between the Phoenix Mars Lander and a Mars orbiter delayed the start of planned science experiments on the red planet. Mission leaders at the University of Arizona had hoped to ...

Four volunteers are set to leave a simulated Mars habitat that they've been living in since June of last year. NASA is concluding a yearlong Mars mission experiment — and four volunteers are set to ...

NASA’s Curiosity rover has discovered more building blocks of life on Mars after carrying out a chemistry experiment never before conducted on another planet, scientists said Tuesday. The organic ...

HILO, HI -- After a full year, six scientists have emerged from a dome atop a Hawaiian mountain where they spent 12 months isolated as part of a NASA experiment. A trip to Mars is expected to last as ...

The United Arab Emirates (UAE) has launched a USD 135 million (Rs 890 crore) Mars Science City project to provide a "viable and realistic model" to simulate living on the surface of Mars. The city, ...