The idea of turning Mars into a planet where humans could one day live has fascinated scientists and science fiction fans for ...

The size of a planet is a major factor that determines if life can gain a foothold on it, even if it's in the habitable zone ...

Finding widens selection of rocky planets that may once have been habitable ...

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New research has uncovered what may be the oldest direct evidence of ancient hot water activity on Mars, revealing the planet may have been habitable at some point in its past. New Curtin ...

Was the planet Mars ever habitable and what conditions led to it becoming the uninhabitable world we see today? This is what a recent study published in the Proceedings of the National Academy of ...

The criteria for finding an Earth-like planet unofficially comes down to two things: water and the habitable zone. But a phenomenon known as atmospheric escape often "escapes" the minds of many ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a ...

Mars may have hosted life billions of years ago, a possibility that has long intrigued scientists. Now, new evidence suggests the planet was habitable for even longer than previously thought, due to ...

Evidence suggests Mars could very well have been teeming with life billions of years ago. Now cold, dry, and stripped of what was once a potentially protective magnetic field, the red planet is a kind ...

IMAGE: This conceptual image reveals what the Kasei Valles region on Mars may have looked like three billion years ago. White areas are glaciers and blue represents ocean. CREDIT: F. Schmidt/NASA/USGS ...