Mystery

Visitors to Nan Madol have reported multiple ghost sightings.

There were no reports of earthquake activity.

Dark matter makes up most of the universe, but scientists have no idea what it is.

Scientists had been working to discover the origins of the Aitape skull since it was discovered in Papua New Guinea in 1929.

Doctors still don't know why the seven-year-old slept for so long.

Simultaneous press conferences to unveil the findings will be held on October 16 in Germany, the U.S. and the U.K.

Normal matter makes up just five percent of the universe, but we can only see about 2.5 percent of it.

Hundreds of scientists worked for over a decade to trace the origin of ultra-high energy cosmic rays.

Scientists still have no reasonable explanation for what is causing huge dips to the star's brightness.

In the 15th century, Korean astronomers saw a star erupt. We now know what they were watching.

The symptoms were contracted late last year, with two Cuban officials being asked to leave the United States in May.

The transmission likely comes from a human technology.

Search for Extra Terrestrial Intelligence (SETI) has clear protocols for what should happen if and when we are contacted by extraterrestrial lifeforms.

Scientists are now analyzing data from further observations to work out what caused the unusual pulses.

A Japanese blogger claims to have found the picture in a book from 1935—two years before Earhart left on her mission.

He had no campaign website or online presence, and as far as anyone could tell, he never even existed.

The question of how so many dinosaurs ended up in the small Cleveland-Lloyd Dinosaur Quarry in America had baffled researchers for years.

A new Netflix documentary has reopened questions about the Amanda Knox case, a murder mystery that exposed the worst inclinations and prejudices of America, Italy and Great Britain.

Nearly 20 years after JonBenét Ramsey's murder, the American public is still drawn to the mystery, the scandal and the lurid details that surround it.

Advert asks Britons to vote based on "facts not fear."

A new underwater drone explores the depths of the Loch Ness in Scotland.

Scientists are one step closer to solving the mystery of the Bermuda Triangle.

The Purple One performed at a POTUS private party and surprised guests with a duet with Stevie Wonder.

The creators behind the BBC America hit sum up its wildly confusing plot.

Huge plume seen coming off the side of Mars could be a cloud, aurora borealis or something entirely unthought of.

Truman Capote's reporting and researching on a family's brutal murder created a new era of journalism.

Alexander Litvinenko was slipped radioactive poison in 2006. As an inquiry opens into his murder, the mystery deepens.

In 1926, the crime novelist Agatha Christie disappeared for 11 days causing a media frenzy – but no one knows why

Five children in California have been paralyzed by a mystery virus – and scientists are still in the dark

The discredited '60 Minutes' report on Benghazi has kicked off an intriguing game of Whodunit?