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Magnetic field necessary for life may have been discovered on alien world for first time

A study using the Very Large Array radio telescope may have discovered a magnetic field on exoplanet YZ Ceti b. Magnetic fields protect planets from energetic particles that can strip away atmospheres ...
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Super-Earth exoplanets may have built-in magnetic protection from churning magma — and that's good news for life

"A strong magnetic field is very important for life on a planet." ...
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First alien signal may be a civilization’s final cry

Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...