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Ghosts of Ancient Explosions Live on in Stars Today

When small, dense stars called white dwarfs explode, they produce bright, short-lived flares called Type Ia supernovae. These supernovae are informative cosmological markers for astronomers — for example, they were…

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How Wildfires Trap Carbon for Centuries to Millennia

Charcoal produced by wildfires could trap carbon for hundreds of years and help mitigate climate change, according to new research just published. The extensive and unprecedented outbreak of wildfires in…

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Magnetism Discovered in the Earth’s Mantle

The huge magnetic field that surrounds the Earth, protecting it from radiation and charged particles from space — which many animals even use for orientation purposes — is changing all…