An enormous rectangular-shaped 'structure' has been spotted on a map of the seafloor, sparking theories that an alien base ...

Add Yahoo as a preferred source to see more of our stories on Google. Another batch of "UFO Files" have been dropped by the Pentagon, featuring previously classified documents, audio and footage of ...

Teacher Hannah Blandford, 33, spotted otherworldly object in a field four miles away from where she was walking in the village of Tremeirchion, north Wales A DOG walker was left dumbfounded after ...

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national ...

A NASA image from Mars has reignited speculation about extraterrestrial life, showing patterns some believe resemble tyre ...

What if the truth really is stranger than fiction? Few subjects have sparked as much curiosity, debate, and speculation as ...

• Scientists Figured Out Where Aliens Might Be Hiding — And How We Could Talk to Them 1. There are chemical precursors to life on other planets — the same ones that could have kickstarted Earth. While ...

Discover the latest sightings, and theories about aliens & UFOs. From news about extraterrestrial life, cover-ups, and unexplained phenomena, explore the mysteries of the universe. ‘UFO CAMOUFLAGED' ...

The question used to feel safely hypothetical. Somewhere out there, among the estimated 100 to 400 billion stars in our galaxy alone, life probably exists – distant, abstract, someone else’s problem.

From the Chicago Bean man to alien-powered pyramids, well-known monuments have long been at the centre of peculiar speculation Ellys Woodhouse is Content Editor at Telegraph Travel, having previously ...

A bizarre 'ball of fire' has sparked a whole host of alien conspiracy theories after it was spotted in the sky above Australia. The strange object, which was seen hurtling across the horizon just ...

A polarising Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...