The heart, now working under less strain, begins to shrink. Red blood cells are destroyed to maintain balance, and blood ...

Massive volcanic eruptions billions of years ago may have made it snow on Mars, leaving thick buried ice near the planet’s ...

(CNN) — By tracking the gravitational pull on spacecraft over Mars, NASA has created one of the most detailed maps yet of the Red Planet’s surface, and what lies beneath. “Gravity maps allow us to see ...

As scientists get closer to putting humans on Mars, the need to understand why clocks tick faster on the red planet is more ...

Mars has long fascinated scientists for its similarities to Earth, but recent research has uncovered significant differences ...

An alien comet passing through our solar system made its closest approach to Mars recently, and two European robotic ...

Right now there is no conclusive evidence of life on Mars past or present. Nasa’s “leopard spots” are the most promising ...

Researchers at Purdue spent years working with NASA engineers to figure out how to grow crops on Mars and beyond. Now the ...

A new study revealed that atmospheric gravity waves play a crucial role in driving latitudinal air currents on Mars, particularly at high altitudes. The findings, based on long-term atmospheric data, ...

The moon Phobos has a mysterious origin but a certain expiration date. Phobos, one of Mars' moons, has an uncertain origin, but its surface grooves show that tidal forces are pulling it apart. In time ...

Phobos is the larger and innermost of Mars' two moons, and it's a fascinating celestial body. It's small, irregularly shaped, and orbiting just about 6,000 kilometers above the surface of the Red ...