Mars

NASA's fleet of robotic Martian explorers measured the effects of May's dramatic solar storms, experiencing the equivalent of undergoing about 30 chest X-rays all at once.

Evidence for a lake beneath the south polar cap of Mars may have been misinterpreted, a new study reports.

Water frost has been found on huge volcanoes at the equator of Mars, a region where scientists thought frost was impossible.

Similar craters are found on Earth and the Moon, and are the product of volcanic, tectonic or even fluvial activity.

ESA's Mars Express orbiter surveyed the vast Nili Fossae trenches, which formed following a massive impact billions of years ago, when water flowed over the Martian surface.

Potentially hazardous asteroids pose a risk to Mars missions, but they can also yield insight into the history of the Red Planet and the early solar system, new research suggests.

Previously unpublished photos of Mars' moon Phobos hint that the mysterious satellite may actually be a trapped comet — or perhaps just a piece of one, along with its twin moon Deimos.

These samples are uniquely important for return to Earth for further study.

India's second mission to Mars will include a rover, helicopter, sky crane and a supersonic parachute, according to media reports.

After quite the aurora experience across Earth this past weekend, beastly sunspot AR3664 could give Mars quite the same solar spectacular.