Thomas Mulligan examines the scientific challenge of defining and searching for non-Earth-like alien life forms that may not ...

And when people are convinced that they know a secret, world-shaking truth, they are willing to wait a long time for ...

Original article source: UFO investigator warns Trump disclosure could hand sensitive military secrets to China, Russia ...

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is ...

Newly released Pentagon UAP files show Apollo 17 astronauts reported hours of unexplained lights and objects around the Moon, ...

An almost unkillable fungal strain isolated from NASA’s ultrasterile clean rooms hints at “critical gaps” in interplanetary ...

America’s UFO obsession has been reignited by a newly declassified FBI memo from 1967. Among a batch of 162 unsealed files, ...

Astronomers using the James Webb Space Telescope have uncovered a trove of complex organic molecules frozen in ice around a young star in a neighboring galaxy — including the first-ever detection of ...