These results suggest that similar reactions between helium and iron may have occurred within Earth’s core shortly after its formation, trapping much of the primordial helium-3 in the material that ...

SETI research often involves hunting for technosignatures—evidence of technology from distant civilizations. But how ...

SETI scientists theorize that alien civilizations might use far-advanced structures like Dyson spheres to harness energy. Though beyond current detection methods, studying Earth’s signatures ...