With the discovery of ever more exoplanets—over 6,000 now—scientists, of course, want to know if they are habitable for life.

It’s almost impressive how incorrect he’s able to be about an article he’s looking directly at," one expert said.

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New research shows warming events can, under certain conditions, trigger long-term cooling strong enough to resemble past ice ages.

"It's not sudden in the sense we would commonly use." Experts sound alarm after Antarctica air temperature record broken by ...

Our species likes it cold. Homo sapiens evolved in — and still inhabits — one of Earth’s rare and fragile ice ages, periods distinguished not by an abundance of saber-toothed cats and woolly mammoths ...

New research suggests that the interior of the Moon’s far side may be colder than the side constantly facing Earth, adding ...