This post also appears on the Planetary Society’s website. In their study, Nuñez and his colleagues looked at over 100 gullied locations on Mars. They found no evidence of minerals that would be ...

Planetary scientists are eager to step up their search for life on Mars after news that liquid water seems to have flowed down gullies (pictured right) in the planet's mid-latitudes within the past ...

New findings using data from NASA’s Mars Reconnaissance Orbiter show that gullies on modern Mars are likely not being formed by flowing liquid water. This new evidence will allow researchers to ...

This new evidence will allow scientists to further narrow theories about the mechanisms behind the formation of gullies on Mars and help reveal more details about Mars' recent geologic processes. The ...

A study offers new insights into how water from melting ice could have played a recent role in the formation of ravine-like channels that cut down the sides of impact craters on Mars. A study led by ...

The idea of liquid water on Mars is an enticing one. We know life on Earth needs liquid water, and if we find it on Mars… We know there’s plenty of frozen water on Mars; we see it there in abundance.

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Some of the gullies that cut the sides of Martian craters were likely formed by meltwater from glaciers that existed a few million years ago, when Mars was wetter than it is now, a new study suggests.

From over 100 miles above the surface, a NASA satellite spotted dry ice and gullies inside a Martian crater. It gets quite chilly on Mars during its winter — NASA's rovers contend with temperatures of ...

PROVIDENCE, R.I. [Brown University] — Planetary geologists at Brown University have found a gully fan system on Mars that formed about 1.25 million years ago. The fan offers compelling evidence that ...

These Martian gullies are a widespread and common feature on mars. New York: The gullies on the surface of Mars, similar to the ones on the Earth, are not carved out by flowing water, US space agency ...

Mars is a desert planet with dunes, canyons, and surprisingly fast winds. It is very cold, though, so it does not often get compared to desert planets of fiction, like Tatooine of Star Wars or Arrakis ...