Perched on a vast plain above the arctic circle of the Red Planet, NASA’s Phoenix Mars Lander has found new evidence that liquid water was once present in the north polar region and interacted with ...

Water could have flowed on the surface of Mars with the help of salts in the Martian soil that can melt ice, just as salts on Earth can be used to melt ice on slippery winter roads and sidewalks, ...

Due to extreme temperatures and the dryness of Mars, it’s thought to be impossible for liquid water to form on the planet’s surface, a critical precondition for habitability. The only hope of finding ...

In chambers that mimic Mars’ conditions, University of Michigan researchers have shown how small amounts of liquid water could form on the planet despite its below-freezing temperatures. Liquid water ...

Perchlorate, a chemical used in rocket fuel, plastic and other substances, has been found in common grocery store and fast foods—with the highest levels in baby and kid foods—and previous research has ...