They sometimes call it the Goldilocks zone — not too hot, not too cold. The habitable zone is the region of our Solar System ...

In the context of Mars, a habitable zone for photosynthesizing microbes could exist beneath a certain amount of ice. Too shallow and the strong ultraviolet radiation will cook them, but too deep ...

"Unlike Earth, Mars lacks a protective ozone shield, so there is 30 percent more harmful ultraviolet radiation at the surface," said researcher Aditya Khuller.

The two robots, working alone and far apart from one another, are struggling on their respective treks along the Red Planet's ...

Researchers are particularly interested in understanding whether Mars was habitable, and if so, during what period.

For years, NASA's Mars Reconnaissance Orbiter — a spacecraft circling the Red Planet — has seen white material lining dry gullies thought to be dusty water ice. This environment in the Martian tropics ...

Related: Life on Mars: Exploration and evidence Both Earth and Mars exist within the so-called "habitable zone" of the sun, the region around a star in which temperatures are right to allow liquid ...

Hopes for discovering life on Mars are increasing, with each new study suggesting locations where it might exist. NASA's ...

“But exposed dusty ice in the mid-latitudes might be melting at present.” In other words, Mars may already have a habitable zone for microbes. To test the idea, the team developed a computer program ...

Mars' magnetic field, which could have supported life, may have lasted longer than previously thought, a new study by researchers at Harvard's Paleomagnetics Lab in the Department of Earth and ...

Every star has a habitable zone. That zone is a region surrounding the star where liquid water can exist on a planet’s surface. Earth sits perfectly in that zone. Venus and Mars sit right ...

Renowned American-born, Hungarian geologist on why Mars likely never developed any sort of life. And how life may have started here on earth.