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Mysterious 'alien beacon' was false alarm - Radio signal seemed to originate from the star Proxima Centauri, and provided a helpful drill for future searches

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Neutron star collisions are 'goldmine' of heavy elements. A study in Astrophysical Journal Letters reports that in the last 2.5 billion years, more heavy metals were produced in collisions between two neutron stars, than in mergers between a neutron star and a black hole.

A Mysterious 'Alien Beacon' Was Actually a False Alarm

Neutron star collisions are 'goldmine' of heavy elements, study finds

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Sorry folks: 'Alien' signal from Proxima Centauri was likely just a broken computer on Earth »