A proposed Mars helicopter mission would search for signs of life, water and future human footholds in a vast volcanic canyon ...

Mars might be a thrilling destination, but its dust could be deadly. A team of scientists warns that long-term exposure to ...

In the rover's latest video, the life of the slighter dust devil is abruptly cut short by a superior twister. But one probably didn't outlive the other by much, Lemmon said. Martian dust devils only ...