Experts investigate if a nearby exoplanet could be the home to an alien civilization of strange, metallic monsters after a new discovery confirms that life can thrive on such a world. Stream Full Episodes of NASA's Unexplained Files: https://www.discoveryplus.com/show/nasas-unexplained-files ...

A UFO which appeared to travelling around 106mph and is said to have been only visible on a thermal camera was filmed by a police helicopter in the UK. The eerie footage - which is similar to recent UFOs videos captured by the US military - was released by cops after a Freedom of Information ...

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The discovery of extraterrestrial life might face an impossible challenge: the physics of the universe itself. Stream Full Episodes of How the Universe Works: https://www.sciencechannel.com/tv-shows/how-the-universe-works/ Subscribe to Science Channel: http://bit.ly/SubscribeScience Like us on ...

UFOs detected traveling at "unprecedented speeds" by US Navy nuke submarines may come from an underwater base, it has been claimed. The Pentagon is said to have confirmed footage showing a mysterious pyramid as genuine ahead of a potentially explosive official report on numerous UFO sightings. ...

This is the mysterious moment an anchor-shaped UFO left a trail of smoke in the sky before crashing into the sea in Indonesia. The bizarre footage of the long, black object plunging into the water was filmed at Jangkar Beach in East Java - with some people claiming it was a damaged UFO. The ...