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.
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 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.
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 underwater drone explores the depths of the Loch Ness in Scotland.
The Purple One performed at a POTUS private party and surprised guests with a duet with Stevie Wonder.
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