Advanced aliens, if they exist, may have no physical bodies at all and could be built from materials nothing like human flesh ...

Teams of federal agents checked databases, obtained photographs, knocked on doors and heard what they thought was a woman speaking with an Indian accent. They also conducted days of surveillance and ...

Sound waves thought to be from a 2014 meteor fireball north of Papua New Guinea were almost certainly vibrations from a truck rumbling along a nearby road, new Johns Hopkins University–led research ...