It's one of life's biggest unanswered questions: if there's life beyond Earth, why hasn't it contacted us? Now, a scientist claims to have the answer - and it suggests aliens are more similar to us...

A US congressman has gone viral after revealing that there may be aliens living in 'five or six' bases off the coast of the US.

Dozens of strange objects have been filmed flying over a UFO hotspot that may be an interdimensional portal to another world.

A mysterious craft was spotted over Texas this month, adding it to a growing list similar triangle-shaped UFOs invading US airspace.

Cambridge neuroscientist Dr Peter Coppola claims that human consciousness arises from a primal region of our brains, known as the 'lizard brain, which we share with many animals.

Researchers think a mysterious signal, dubbed GW190521, could have arrived from a parallel universe after passing through a wormhole.

An expert on UFO sightings revealed what he thinks about the latest incident captured over Los Angeles by a local resident.

A debate has erupted among UAP experts over the shocking video shown to Congress. The clip showed a drone fire a missile at an orb, which 'bounced right off.'

Bizarre flying objects are usually considered a stateside phenomena. But a remarkable shot shows one brazenly flying though the hills in the north of England.

Shocking videos of a mid-air explosion have triggered speculation of another UFO being attacked by military forces.

A mysterious metallic sphere was captured soaring above a field in Colombia, just two months after locals recovered a similar object, many are calling it a UFO.

Scientists have discovered mysterious radio signals emerging from deep beneath Antarctica's ice - and have no idea what's causing them.

Internet-dwelling conspiracy theorists have latched on to a strange new video which shows a glass of water on China's Tiangong Space Station.

A newly-released military video has captured what officials say is the first-ever filmed sighting of a classic flying saucer.

UFOs are at risk of 'going down the paranormal rabbit hole', a former Ministry of Defence (MoD) UFO investigator has warned.

A bombshell report has revealed the truth about Nevada's Area 51 UFO conspiracy. The secret base is at the center of theories about alien craft and extraterrestrial autopsies.

Scientists have discovered a lost ancient world that has remained unseen for millions of years. They said more is known about Mars than the hidden landscape.

Scientists have found the source of a strange form of communication coming from the ocean that they say could help them locate extraterrestrial life in space.

It looks like an alien world, or a floating snow globe suspended in space. But this perfect sphere, hiding in our Milky Way galaxy, is leaving scientists baffled.

A declassified CIA document claims an alien base may be hidden inside a US mountain that has since become a hotspot for UFO sightings.