First documented in the 1980s, the Armillaria gallica mushroom in Crystal Falls, Michigan, was dubbed the "humongous fungus" because it spans 91 acres and weighs 440 tons.

The survey revealed that the Mayans modified way more of their landscape than researchers ever thought.

Some experts believe that the animal painting and others found in the cave are some of the earliest examples of the formation of human culture itself.

Known as "Fred," this mummy proves that Egyptians had been using embalming practices for 1,500 years longer than scientists believed.

This discovery is the first of its kind, with a perfectly preserved 3-month horse of a now-extinct species in the Siberian permafrost.

The shrine, known as a lararium, is surrounded by well-preserved paintings and murals depicting animals, deities, and more.

For decades, scientists could not agree on whether to classify the Dickinsonia as an animal or not — until this new study showed that it is actually the oldest known animal.

Its name translates to "a giant thunderclap at dawn" — and it's easy to see why.

"The remains are highly evocative because they enable us to make almost face-to-face connection with animals that are tens of thousands of years old."

The researchers believe that the two teenagers lived around 2,700 years ago and were found adorned with gold.

These images have given researchers new insights into the previously unknown civilization, but have also raised many questions.