UNDATED (MICHAEL CASEY, CBS News) -- Mars may have been cold and icy three or four billion years ago, rather than a warm and wet placed that could have supported alien life.That is the conclusion of a ...
New high-resolution images of mid-latitude Mars are revealing glacier-formed landscapes far from the Martian poles, says a leading Mars researcher. Conspicuous trains of debris in valleys, arcs of ...
A Brown University-led research team explains in a new study how gullies on the slopes of Martian craters could have formed by on-and-off periods of meltwater from ice on and beneath the planet’s ...
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 ...
A study led by Brown University researchers 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 ...
Image of the Terra Sirenum and its gullies captured by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter. CREDIT NASA/JPL/Univ. of Arizona. A study ...
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