Sixteen years after a group of mysterious lights were spotted by thousands throughout the Valley, theories still swirl about what was overhead.
An analysis of a rock sample collected by NASA's Curiosity rover shows ancient Mars could have supported living microbes.
Algae-like structures inside a Sri Lankan meteorite are clear evidence of panspermia, the idea that life exists throughout the universe, say astrobiologists.
The space agency will hold a press conference to reveal the results of the analysis of the grey-green dust it drilled from a rock on 8 February.
The defendant in the Aurora theater shooting can be given “truth serum” if he pleads not guilty by reason of insanity
After almost 40 years of investigating the shrouded history of UFOs throughout North America, Grant Cameron is getting some recognition.
British researchers on Saturday unveiled a new theory for the origins of Stonehenge, saying the ancient stone circle was originally a graveyard and venue for mass celebrations.