Plummeting temperatures forced some human populations to adapt to the new conditions thousands of years ago, but the changes ...

Dyson spheres, a type of huge megastructure designed to capture the energy output of a star, would be a sign of an alien ...

Chinese researchers have a new method to extract uranium from seawater twice as cheaply as previous technologies. Their ...

Our bodies emit a stream of low-energy photons, and now experiments in mice have revealed that this ghostly glow is cut off when we die ...