Imagine receiving an alert on your phone from a government agency at night, warning you about an alien attack, when you have ...

Americans "deserve the truth," a U.S. congressman has told a press conference as part of a wider transparency campaign.

Imagine being in bed, sound asleep, when your country's emergency alert system suddenly goes off on your phone. Scary stuff.

Brazil’s 1996 UFO crash remains a mystery, with witnesses still searching for answers decades later. Despite advances in science, the events have left many puzzled. On Tuesday, investigative ...