For the first time, scientists have mapped vast, continent-scale river drainage systems on Mars — ancient networks that may ...

Ancient Mars is coming into sharper focus as a planet laced with rivers, deltas and vast drainage basins, and that new map of ...

What can mapped drainage systems on Mars teach scientists about the red planet's watery past? This is what a recent study ...

To develop more robust next-generation aerial explorers, NASA's Mars Exploration program is turning to drones.

The first global atlas of Martian watersheds reveals 16 huge ancient river systems that once shaped Mars and may hold clues ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, powered by a revolution in reusable rockets.

Even worse, the orbit of Mars is elliptical (think of a slight oval rather than a perfect circle), which means that sometimes ...

Billions of years ago, it rained on Mars. The water collected in valleys and rivers, filled and spilled over the rims of craters, and was funneled into canyons, perhaps even making its way to a large ...

The spacecraft was operating normally just before it went behind Mars, NASA confirmed this week; tragically, only silence ...

Planetary scientist Tom Van Flandern argued that the solar system did not form the way it was taught in schools. He believed Mars was never a true planet, but a moon torn from a much larger world once ...

Long before Mars turned into the frozen desert you see today, water shaped its surface in dramatic ways. Rivers cut through ...

NASA has lost contact with one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...