A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Another batch of “UFO Files” have been dropped by the Pentagon, featuring previously classified documents, audio and footage of strange objects in the sky. The new release comes two weeks after the ...

Trump wrote no caption to shed light on the meaning of the image, triggering speculation online.

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...