The world's most expensive painting - Salvator Mundi - mysteriously disappeared shortly after being sold.
Scientists in Germany have built a measurement device to determine if the enigmatic EmDrive actually works.
Mysterious flashes have been observed on the Moon for years and it is still unclear exactly what is responsible.
Researchers discovered the unidentified 200-year-old wreck during an equipment test earlier this month.
Scientists have determined the origins of a peculiar hum that seemed to encircle the entire planet back in 2018.
Pedestrians were left wading through a knee-deep tidal wave of suds after foam started bubbling from manholes.
Archaeologists have unearthed an additional 137 large stone jars at megalithic sites in Southeast Asia.
A former marine ecologist is aiming to use underwater cameras to spot an elusive lake beast in Alaska.
German police investigating three crossbow deaths have discovered two more bodies hundreds of miles away.
The shrivelled-up remains of a mysterious four-legged creature were found recently on a property in Titusville.
A village in France is offering a cash reward to anyone who can decipher a strange message carved in to a rock.
A picturesque loch in the Scottish Highlands has been gradually disappearing and nobody is quite sure why.
A lock of hair thought to belong to Renaissance genius Leonardo da Vinci is set to undergo DNA testing.
An Indian military mountaineering expedition team photographed the mystery footprints in the Himalayas.
Scientists have solved the mystery of a strange glowing ribbon of green and purple light spotted over Canada.
One of America's most mysterious buildings has played host to the 'world's most bizarre Easter egg hunt.'
Hundreds of bottles containing human tissue samples have been found at the Crescent Hotel in Arkansas.
An unknown individual has taken to leaving bowls of mashed potatoes around a Jackson neighborhood.
The man at the center of a hoaxed 'resurrection' in South Africa has since died under suspicious circumstances.
Despite methane being detected on Mars previously, more recent scans have revealed no sign of it at all.