A sitcom about aliens posing as a human family to study Earth sounds like a sketch that would wear thin fast, but the ...

Teetering near endangered status, the starlet sea anemone produces “an ancient mechanism” for fighting viruses that ...

Research indicates airport radar systems may unintentionally broadcast Earth's presence to aliens up to 200 lightyears away, ...

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

John Sugar survives a brush with death, confronts the EZ4 gang, and faces a major twist in Sugar season 2, episode 3. Read our full recap.