Mars has just exited an extreme ice age, according to new research. At its peak, 370,000 years ago, “Mars would have actually looked more white than red,” says the lead astrophysicist, Isaac Smith.

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Mars has just exited an extreme ice age, according to new research. At its peak, 370,000 years ago, “Mars would have actually looked more white than red,” says the lead astrophysicist, Isaac Smith.