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Hot rocks, not warm atmosphere, led to relatively recent water-carved valleys...

Present-day Mars is a frozen desert, colder and more arid than Antarctica, and scientists are fairly sure it's been that way for at least...

Rover findings indicate stratified lake on ancient Mars

A long-lasting lake on ancient Mars provided stable environmental conditions that differed significantly from one part of the lake to another, according to a...

Rivers on three worlds tell different tales

The environment on Titan, Saturn's largest moon, may seem surprisingly familiar: Clouds condense and rain down on the surface, feeding rivers that flow into...

Mars volcano, Earth’s dinosaurs went extinct about the same time

New NASA research reveals that the giant Martian shield volcano Arsia Mons produced one new lava flow at its summit every 1 to 3...

Paleolake deposits on Mars might look like sediments in Indonesia

In their GSA Bulletin article published online last week, Timothy A. Goudge and colleagues detail the clay mineralogy of sediment from Lake Towuti, Indonesia,...

New evidence for a water-rich history on Mars

Mars may have been a wetter place than previously thought, according to research on simulated Martian meteorites conducted, in part, at the Department of...

More Earth-like than moon-like

Mars' mantle may be more complicated than previously thought. In a new study published today in the Nature-affiliated journal Scientific Reports, researchers at LSU...

Evidence of 2 billion years of volcanic activity on Mars

Analysis of a Martian meteorite found in Africa in 2012 has uncovered evidence of at least 2 billion years of volcanic activity on Mars....

New evidence for a warmer and wetter early Mars

A recent study from ESA's Mars Express and NASA's Mars Reconnaissance Orbiter (MRO) provides new evidence for a warm young Mars that hosted water...

Meteorites reveal lasting drought on Mars

The lack of liquid water on the surface of Mars today has been demonstrated by new evidence in the form of meteorites on the...

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