We live inside a bubble surrounded by a shooting gallery, but we've only realized for a few years how well-designed that bubble…
Scientists have discovered an invisible shield about 7,200 miles above Earth (credit: Andy Kale/University of Alberta) A team…
The idea of putting a Star Trek-like force field around the entire Earth seems like the fodder for a fairly silly science…
Two donuts of seething radiation that surround Earth, called the Van Allen radiation belts, have been found to contain a nearly…