Alien megastructures built to harvest stellar energy or alter the orbits of stars may be physically feasible, according to a ...
Star Trek is packed with all sorts of alien, both on the Enterprise and throughout the final frontier, and these are the ...
Avalanche Energy is working on an DARPA project to build a new class of materials capable of turning damaging radiation into ...
In October 1989, a blast from the sun flung out a stream of super-powered protons. This solar storm lasted for days and ...