Designed by August Saint-Gaudens, the 1933 golden double eagle coin was worth $20 when it was minted. But now it's sold for $18.9 million, making it the most valuable coin in the world.

The Passamaquoddy people were granted ownership of Pine Island after they supported colonists during the Revolutionary War, but later generations reneged on the promise.

Throughout his storied yet tragic life, Nikola Tesla invented hundreds of devices and processes that changed our world, from the Tesla coil to the induction motor.

Throughout his adult life, Gregory Hemingway struggled with gender dysphoria and tried to live as a woman — which irreparably damaged his relationship with his father.

Archaeologists are certain that the remains belong to a Roman-era slave but can only speculate about why someone buried him in shackles.

The 35 fishermen followed their noses to a whale carcass in the Gulf of Aden and discovered to their delight that it contained the rare substance ambergris.

The Tk'emlúps te Secwépemc Nation found 215 bodies on the grounds of the defunct Kamloops Indian Residential School using ground-penetrating radar.

Arizona has quietly gathered the ingredients to make the lethal gas, triggering outrage in Germany.

The documents, discovered in the National Archives, show the royal family barred people of color from serving as office or clerical staff as late as 1968.

Scientists were surprised to find that the Tsimané people in Bolivia experience less brain atrophy than Westerners since the tribe has no access to modern medicine.

The footage has purportedly been authenticated by the CIA and the winning bidder will also receive a memo from a scientist affiliated with the agency that verifies the negative.