Thomas Mulligan examines the scientific challenge of defining and searching for non-Earth-like alien life forms that may not rely on carbon, water, or DNA.

Astrophysicist Dr. Emma Chapman asserts intelligent alien life exists but dismisses UFO cover-up theories as baseless, urging ...

Some TV revivals end up collapsing under nostalgia, but these returning series found ways to evolve beloved characters while honoring the originals.

Video. The Pentagon released another batch of previously classified UFO files, including military videos of unidentified ...

New research shines a light on the lost Franklin Expedition, a 19th century voyage to the Canadian Arctic gone awry.