Casimir Pulaski has been hailed the "Father of the American Cavalry," but a discovery by anthropologists has revealed that he may be the one in 2,000 who identifies as intersex.

Self-proclaimed fossil hunter Alan Detrich has sold such finds online before. Back in 2000, he listed a near-complete T. rex skeleton on eBay for over $5 million.

A rural farm boy from Queensland, Billy Sing joined the armed forces and became one of the most revered snipers of World War I.

Discover why the armadillo lizard (Ouroborus cataphractus) is one of the most unique creatures on Earth — and why that's caused the species to become threatened.

Despite its name, Chinese water deer are found across Europe and possess remarkable survival tactics that allow them to thrive in varied climates.

South African park rangers found but the skull and pants of the unfortunate poacher after his family contacted authorities on a tip from his accomplices.

Of the 11 rhesus monkeys given the gene found in the human brain via a virus, only five survived, but those five had improved memories — better than those of normal rhesus monkeys.

Now, researchers hope that her genetic mutation could unlock new methods of treatment for chronic pain sufferers.

New Mexico recently joined the dozen states and several dozen cities and counties around the U.S. that have abolished Columbus Day and adopted Indigenous Peoples' Day instead.

Smuggled Komodo dragons either become exotic pets for the rich or are killed for their unique medicinal properties.

Andrew Renner and his son, Owen, were recorded while killing a mother bear and her cubs in Alaska as they were hibernating.