"This provides strong evidence that global warming is especially pronounced close to the Earth's poles," says Hagit Affek. "Warming in these regions has significant consequences for climate well beyond the high latitudes due to ocean circulation and melting of polar ice that leads to sea level rise." (Credit: Christopher Michel/Flickr)
Top StorySyracuse University

Antarctica was once as warm as California

An artist's conception of the newly discovered exoplanet Kepler-186f orbiting the red dwarf star Kepler-186. The planet is the first Earth-sized world to be found orbiting a star at a distance that would allow it to harbor liquid water, a necessary ingredient for life as we know it. (Credit: NASA/Ames/JPL-Caltech/T. Pyle)
Top StoryUniversity of Michigan

Is Earth-sized exoplanet just right for life?

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