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Proxima Centauri's no good, very bad day

A team of astronomers led by Carnegie's Meredith MacGregor and Alycia Weinberger detected a massive stellar flare—an energetic explosion of radiation—from the closest star to our own Sun, Proxima Centauri, which occurred ...

dateFeb 26, 2018 in Astronomy
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Elephant declines imperil Africa's forests

Poaching and habitat loss have reduced forest elephant populations in Central Africa by 63 percent since 2001. This widespread killing poses dire consequences not only for the species itself but also for the region's forests, ...

dateMar 12, 2018 in Ecology
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When do aging brown dwarfs sweep the clouds away?

Brown dwarfs, the larger cousins of giant planets, undergo atmospheric changes from cloudy to cloudless as they age and cool. A team of astronomers led by Carnegie's Jonathan Gagné measured for the first time the temperature ...

dateFeb 27, 2018 in Astronomy
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