Istiorachis macarthurae likely used its unique sail to attract mates or intimidate other dinosaurs.

From the pair that sold for $28 million at auction to the 2,400 sequins that adorn each shoe, go inside the turbulent history of Dorothy's slippers.

The 5,000-year-old cow molar adds credence to the theory that cattle helped drag Stonehenge's megaliths over 100 miles to the site from a quarry in Wales.

The Great Fire of 1910 burned three million acres across Idaho, Montana, Washington, and British Columbia in a single day, but it was far from the deadliest wildfire in American history.

While strolling through the forest near Gudersleben, Maik Böhner suddenly noticed that "something greenish flashed from the forest floor" — and realized he'd stumbled upon a Bronze Age blade.

A suspect, 50-year-old Jamison Fisher, has just been charged with the murder of Trudy Appleby and the concealment of her death.

In 2019, a joke Facebook event titled "Storm Area 51" went viral, attracting millions of RSVPs and widespread concerns that a massive crowd would try to breach the secretive U.S. government facility. But the actual event turned out to be completely different.

After the suicide of Sylvia Plath in 1963, many of the writer's fans called her husband Ted Hughes a "murderer," blaming his affair with Assia Wevill for causing the deterioration of Plath's mental health.

In 1990, a sculpture known as Kryptos was installed right outside CIA headquarters in Langley, Virginia — and it was inscribed with four encoded messages. While the first three codes were all solved within a few years, the final message has remained shrouded in mystery to this day.

Each measuring about 18 to 20 inches long, the tracks are believed to have been made approximately 110 million years ago by an Acrocanthosaurus, a 35-foot-long carnivore.