The discovery suggests that parts of Mars may once have supported tropical-like climates, complete with heavy, sustained rainfall.

Scientists have devised the most detailed map to date of the terrain hidden below the vast ice sheet blanketing Antarctica, uncovering an exuberant landscape of mountains, canyons, valleys and plains ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

The team found that the lineae occurred preferentially on the Sun-facing slopes of the younger impact craters. This suggests ...

The study, published in the journal Advances in Space Research, focused on effective ways of collecting water from varied ...

For most of us, Antarctica is a frozen white desert that is mysterious, remote and almost unfathomably cold. However, a ...

As the threat of falling spacecraft increases, using earthquake sensors to detect the effects of their sonic booms could ...

The research has revealed hidden hills, alpine-style valleys, eroded troughs, flat lowlands and high-relief terrain that were ...

ESA's first mission to another world, the Mars Express orbiter, began circling the Red Planet on June 2, 2003. Ever since, ...

Arcadia Planitia does not draw attention in the way Mars’s great canyons or volcanoes do. It sits quietly across the northern ...

Three billion years ago, you could have stood on Mars and watched a river spill into a sea. That picture is still speculative ...

Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean billions of years ago ...