A new lab experiment is testing a water-free solution for "space laundry" on future Mars missions.

Within the next decade, space agencies plan to bring samples of rock from Mars to Earth for study. Of concern is the possibility these samples contain life, which could have unforeseen consequences.

A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to less than a year.

Scientists believe that future human settlements on Mars may rely on metals extracted from asteroids for construction.

Evidence is mounting that the same basic chemistry that made Earth habitable is unfolding, or once unfolded, on Mars. From complex organics to minerals linked with microbial activity, the Red Planet ...

A manganese ring shows Mars' Utopia Planitia once held a stable ocean for around one million years, long enough for life to ...

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's orbit and axial tilt. These variations, known as Milankovitch cycles, ...