A review by nearly 20 researchers examines how the search for alien intelligence is expanding beyond radio signals to include evidence of advanced technology.

Diggers unearth two giant bones and mysterious metal object that was created before humans even existed. See more in this clip from Season 21, Episode 4, "The Top Ten Unexplained Technologies." ...

A jellyfish-shaped object filmed near an Alaska military base has prompted UFO speculation, though UAP experts say it was most likely an unusual high-altitude balloon or kite-like device.

Singapore is opening new pathways for young people into the space industry, but questions remain over whether these will lead ...

Brad Bird is tired of animation being stuck at the kids’ table. After winning two Oscars and directing six films that have grossed a collective $3.5 billion at the global box office, the filmmaker ...