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

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

The federal government holds shocking evidence of UFOs which proves we are not alone — including satellite imagery of ...

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

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

At the keynote panel at SXSW, Steven Spielberg revealed his beliefs that "we are not alone here on Earth right now." ...

Wright-Patterson has played a central role in the US military’s real investigations into mysterious objects in the sky — from ...

New research shows many people vastly underestimate other people's beliefs in extraterrestrial life. Is social stigma keeping ...

"Though at this point with absolutely no sign of him, maybe the best hypothesis is that aliens beamed him up to the ...

The sea slug is bright green, shaped like a leaf and doing something very few animals can: harnessing the power of the sun.