In this rapidly approaching reality, what tools will we need not just to survive, but to retain our humanity? We turned to ...

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about ...

A civilization capable of interstellar travel may also be one that has moved beyond conquest, excess and ecological ...

Equality State's new ban is prompting physicians, public health nurses to refer people to less-restrictive states. A lawsuit ...

The elk that used to winter in one of the lower 48's most remote river drainages have gone missing, confusing Wyoming ...