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

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 ...

Fresh UFO file releases and a viral claim about 'four alien species' have pushed extraterrestrial conspiracy theories back into the centre of internet culture — but not everyone is buying it. As newly ...

New claims that the United States has recovered remains of four separate species of alien life are sending shockwaves throughout the UFO disclosure movement, further drumming up conversations ...

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

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

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 ...