How could terrestrial living organisms withstand the hostile environments of other planets? To answer this question, a ...

NASA’s Curiosity rover has photographed a bizarre, coral-shaped rock on Mars, believed to have formed billions of years ago.

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts ...

Scientists propose using ice as a building material for Mars habitats, offering protection from radiation while allowing ...

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.

Ancient shoreline features hint that water on Mars once formed a vast ocean.