The '90s was a time when the sci-fi genre really began to peak and thrive on television. Here are the sci-fi shows from the ...

Experts say a bit of skepticism is key to interacting with posts. Here are their tips on how to be a smarter consumer.

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is ...

The Pentagon’s latest UFO file release has drawn new attention to reports of unexplained aerial phenomena, also known as UAPs ...

The US government released new files on Unidentified Anomalous Phenomena (UAP). Florida has the second most UFO sightings.

And when people are convinced that they know a secret, world-shaking truth, they are willing to wait a long time for ...

Crafts discovered that are not allegedly a part of our planet, and the materials they're made of are not a part of our planet ...

Use BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.

Why was the conquest of the Incas one of the most pivotal moments in world history?