In the past two weeks, more than a third of all saigas have been killed, conservationists have found.

Teacher has spent $50K trying to prove the aviator didn’t crash into the Pacific -- and instead landed on a tiny island.

In 1835 a labourer was digging a field just outside the English seaside town of Margate. His work was interrupted when he thrust his spade in to the soil and it simply vanished in to the ground...

During Apollo 10 — in which a crewed spacecraft orbited the moon as a dress rehearsal for the first lunar landing — astronauts encountered a deep mystery. "Oh — who did it?" commander Tom Stafford suddenly asked, six days into the mission, as the crew discussed preparations for leaving the moon's orbit. "Who did what?" inquired command module pilot John Young. "Where did that come from?" interjected lunar module pilot Eugene Cernan.

Ever since it was purchased by an offshore company, Witanhurst has been expanding—and nobody knows who owns it.

Baltimore parents trusted Father Joseph Maskell. Maybe they shouldn’t have.

Some say it’s a strange religious ritual. Others, a prank. I went on a quest to find the answer.

Mysterious radio wave flashes from far outside the galaxy are proving tough for astronomers to explain. Is it pulsars? A spy satellite? Or an alien message? Bursts of radio waves flashing across the sky seem to follow a mathematical pattern. If the pattern is real, either some strange celestial physics is going on, or the bursts are artificial, produced by human – or alien – technology.

Police in Toronto are asking for the public's help to solve the riddle of a mysterious tunnel discovered more than a month ago. Investigations have so far been unable to determine who built the tunnel or its purpose, but its discovery has fueled security concerns ahead of the Pan American and Parapan American Games in Canada this summer.

Mysterious dwarf galaxy in orbit around our Milky Way home may be composed mostly of mysterious dark matter, astronomers say. Discovery follows 2009 prediction of its existence based on strange ripples seen in the outer edges of the Milky Way.

Marcus Wanner needed a little adventure in his life. A skinny 15-year-old brainiac with wire-frame glasses and wavy brown hair, he was the eldest of five, home-schooled by their mother, a devout Catholic, near Roanoke, Virginia. Shuttling Marcus between home, church and the Boy Scouts seemed like the best way to keep him away from trouble (and girls). "I missed out on a lot," he recalls with a sigh. "I didn't get out much."

We like to feel superior to the people who lived centuries ago, what with their shitty mud huts and curing colds by drilling a hole in their skulls. But we have to give them credit: They left behind some artifacts that have left the smartest of modern scientists scratching their heads.

“Nothing similar has ever been found,” said Sebastiano Tusa, Sicily’s superintendent of the Sea Office, speaking to Discovery News. “We knew orichalcum from ancient texts and a few ornamental objects.”

Jeffrey Meldrum is a respected anthropologist risking his reputation to prove Sasquatch is real; Rick Dyer is a self-described “entertainer” unapologetically capitalizing off it. Their rivalry represents two sides of the fractious but booming subculture.

Enormous stone circles located in the Middle East have been photographed recently, revealing details of structures that have long baffled archaeologists.

For almost 90 years, the casket lay beneath the earth, Thomas Curry's family believing the teen who died too young rested in peace there, in an unmarked plot with his great-grandparents. Curry was a charge of Marianna, Florida's Arthur G. Dozier School for Boys, a now infamous juvenile detention facility that closed in 2011 for budgetary reasons, capping a chilling, 111-year legacy of brutality.

Officials from the Federal Aviation Administration are trying to determine the origin of a mysterious

Another child in Colorado has been hospitalized with partial paralysis, Children's Hospital Colorado announced Friday.

There were no signs of trauma, no clues of any violence or foul play. So investigators are trying to determine how five family members died in a Utah home over the weekend. Officials identified the deceased relatives as father Benjamin Strack, 37; mother Kristi Strack, 36; son Benson Strack,14; daughter Emery Strack, 12; and son Zion Strack, 11.