In 1960, British theoretical physicist Freeman Dyson published a one-page paper in the journal Science that offered perhaps the most hopeful vision ever conceived of humanity’s technological future.

Humankind is energy hungry. As our civilization industrialized over the last couple centuries, global energy consumption has spiked more than twentyfold, with no end in sight. When demand outstrips ...

Researchers found seven stars in our galaxy that might host alien megastructures called Dyson spheres. But these stars' strange behavior could also be explained by other phenomena, like clouds of dust ...

Dyson spheres are hypothetical artificial megastructures built around a star to collect all of its radiant energy. When you purchase through links on our site, we may earn an affiliate commission.