Ancient mammoth rib shows signs of human hunting, DNA of extinct wolf found in modern dogs, remains reveal prehistoric humans and dogs once hunted together.

"It just came right at me. It really went for an attack."

"This is the first reported case of semen injection for use as a medical treatment."

"She was able to hear me when I spoke to her, but when a young male patient walked in, she couldn't hear him at all."

Just 30 minutes in the cold for any dog could land its owner in jail for up to a year.

Million-dollar penny up for auction, Bronze Age prosthetic hand found, temple to pre-Aztec "Flay Lord" uncovered.

"I said I was going to call the police. He said, 'Call the police, then' because he was scared I was going to beat him up more."

Experience the most fascinating photography collections of the year.

Possible world's oldest pyramid discovered, 18th-century rockets unearthed, CIA dog experiments from the Cold War revealed.

500-year-old skeleton with thigh-high leather boots unearthed, Einstein's "God letter" sold at auction, Crusades-era gold coins uncovered.

"I was sitting at a bar and said to my wife, 'Hey, I want to get a statue made of a middle finger, and I’m going to put it up on the lawn'... If you don’t want to look at the building, look at this."