The okapi was once considered a cryptid, or an animal with an unverified existence

A 'unicorn' is a private company with a $1B-plus valuation

Just like a horse with a spiraling horn on its head, private companies with a more than $1B valuation are rare creatures. But unlike the mythical creature, this type of “unicorn” is occasionally spotted in the wild. Unicorn companies include SpaceX, OpenAI, Skims, and more.

See photos of rare spotless giraffe born at zoo

A spotless giraffe was born at a zoo in Tennessee in the summer of 2023, with experts claiming the specimen is the only solid-colored animal of the species with genes for "reticulation," or the normal patchwork look. The phenomenon is so rare many...

Larger animals like giraffes, elephants, and blue whales have developed a unique defense against cancer, a phenomenon known as Peto's Paradox

What we know about aurochs, the ancestors of modern cattle

The relationship between humans and cattle is invaluable and longstanding. Evidence suggests cattle's wild, larger, and now-extinct ancestors, the aurochs, were also linked to early humans. Similarly valuable for their milk and labor power, yet significantly more threatening due to their size, aggression, and speed, auroch domestication was slow and complex. Discover new information about the fascinating ancestors of modern cows and the potential of re-introducing the species with selective breeding.

Salvador Dalí had pet anteaters he (supposedly) took on walks

Known for his adept and weird public relations stunts, Dalí kept exotic pets, such as an ocelot named Babou, as well as anteaters. The insectivorous mammal accompanied him on walks (though it may have just been for a photo op) and on talk show appearances.

A large number of Bigfoot sighting claims come from southeastern Ohio

Historians debunk four famous Bigfoot sighting claims, with locals living near forested areas claiming to have been visited by the hairy, mythical creature. One family in 1978 claimed to see Bigfoot—until further investigation revealed they potentially even killed their pet German shepherd for the hoax.

Some animals seem to live well on little sleep

African bush elephants typically sleep for about 2 hours per 24-hour day, coming in well under a human's recommended seven-hour minimum. Other animals also appear to skimp on sleep, by human standards, without the consequences humans associate with being sleep deprived. This academic article details the sleeping habits of animals that appear to thrive on fewer than 40 winks and explores whether their sleep processes are just built different.

Dinosaurs are defined by specific traits that many dinosaur-like creatures lack

Although pterodactyls, mosasaurs, crocodilians, and other organisms are mistaken for dinosaurs, they do not have upright legs or specific hip structures characteristic of the terrestrial reptiles. Some, like the Dimetrodon, are more closely related to humans than dinosaurs.

Evolution doesn't want you to see these animals

Invisibility is an oft-coveted superpower that many creatures throughout the animal kingdom have evolved to mimic through transparent camouflage. This article explores the science of this seemingly magical ability. The two critical ingredients in...

Two marsupials thought to be extinct discovered in New Guinea

The pygmy long-fingered possum and the newly described ring-tailed glider were discovered in 2026 after scientists believed the species had been extinct for 6,000 years. The pygmy long-fingered possum is partially defined by its unusual trait of one finger on each hand that is twice as long as the others.

A cave painting might be the oldest illustrated story ever recorded

A nearly 44,000-year-old cave painting may be the oldest story ever recorded, offering viewers a tale of human-like creatures on a hunt. This article details the discovery of the cave and its archaeological implications.

The bison with mystery origins on California's Santa Catalina Island

Bison roam the 75 square-mile channel island of Santa Catalina about 25 miles south of Los Angeles in the Pacific. It's not clear exactly how they got there, but one theory says 14 of them were dropped off as part of a Hollywood film production. Generally beloved by the locals and vacationers, their numbers ballooned to nearly 600 but dwindled amid resource scarcity. What now? See the state of conservation efforts here.

The similarly named foot-and-mouth disease doesn't affect humans, unlike HFMD

Though the names are similar, foot-and-mouth disease—also known as hoof-and-mouth disease—exclusively affects animals, primarily those with hooves, such as cattle, sheep, pigs, goats, and even giraffes. It doesn't sicken humans, though both this disease and hand, foot, and mouth disease do come from the same family of viruses—Picornaviridae.

Serbian donkey cheese is the most expensive in the world

Only one farm in the world produces pule, a cheese made from rare Balkan donkey milk that can cost up to $600 per pound. Pule is special for a number of reasons, including the unusual ingredients and the amount of labor required to produce it. Everything, including milking the donkeys, must be done by hand.

Watch David Attenborough's unexpected interaction with a family of gorillas on 'Life on Earth'

On the border between Rwanda and the modern-day Democratic Republic of the Congo, Attenborough used specific vocalizations and behaviors to approach a female gorilla peacefully, only to have two of her children lie down on him. Through a comical exchange, the incident helps show the creatures to be the opposite of the aggressive, violent stereotypes about them.

What we know about the mysterious colossal squid

The colossal squid, the world's largest invertebrate, remained hidden from human discovery until nearly a century ago. Explore the world of the enormous and mysterious creature, including its features, habitat, and scientific significance. You can even plan a visit to the Museum of New Zealand Te Papa Tongarewa and marvel at a real-life display.

A ‘Bored Ape’ NFT was once kidnapped

An art heist in the crypto world plunges listeners of the "Search Engine" podcast into another mystery about why so many celebrities suddenly started selling the public on NFTs in 2021.

Some Pokémon have been named after real and fictional organisms, while some real-world species have been named after Pokémon, such as Chilicola charizard and Binburrum zapdos.

Imagining if Disney films about animals were scientifically accurate

Then when Scar took over from Mufasa, he would have likely killed all of the existing cubs in the pride, including Nala. Or when Nemo's mom died, his dad would technically have become a female.

Why does that bag look like a face?

If you've ever spotted a face hidden in an inanimate object, you've engaged in a timeless phenomenon known as pareidolia. This three-minute video explains why and how it happens.

HIV originated in Central and West Africa from a virus in chimpanzees

Researchers believe the virus crossed from chimpanzees to humans through bushmeat practices in the early 20th century, with genetic studies suggesting the most recent common ancestor of the HIV-1 M group, which is responsible for the global AIDS pandemic, emerged around 1910–1930 in Léopoldville (now Kinshasa) in the Belgian Congo.

The Easter Bunny traces to German folklore, not ancient paganism

The rabbit's connection to Easter is well-documented from the 17th century onward, but the deeper origins remain unclear (particularly why a mammal that does not lay eggs became the egg-loving holiday's secular mascot). German immigrants brought the tradition in the 1700s, introducing the mythical egg-laying rabbit known as the "Osterhase," whose nests became the Easter basket.

Scholars argue Egypt's Great Sphinx depicts the pharaoh Khufu

Egypt's ancient marvel, the 66-foot, 4,500-year-old Great Sphinx, is believed to stand as a guard to the great Giza pyramids—or tombs—of pharaohs Khafre and Khufu. Archaeologists have long debated which of the two leaders' faces is on the great monument, the father (Khufu) or the son (Khafre).

Foghorn honks helped duckbills set the mood

Examining the unique crest of the Parasaurolophus, which researchers think allowed the creatures to emit loud, unique vocalizations as part of their social interactions.

Ebola species have historically been named after where they were discovered, stigmatizing residents who live there, including Bundibugyo, in Uganda.

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

‘Donkey Kong’ was based on the ‘Popeye’ franchise

Nintendo pursued the “Popeye” franchise in the early 1980s, hoping that developing an arcade game for the popular character would result in a hit. The bid failed, but Nintendo still used “Popeye” as the model for 1981’s “Donkey Kong.”

A 2020 poll found around 50% of Americans believe ghosts and demons are real

Ghosts are typically represented as sad and still retaining some of their humanity. Demons are more associated with evil and the devil, without any connection to being human.

A Maya creation myth begins with dwarfs

In the Popol Vuh—a foundational Maya creation text from Guatemala—an early age is marked by dwarves gifted with great vision and intellect. Their hubris led to destruction by flood, after which humans were created from corn with deliberately limited sight.

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

See these 16 pieces of art evoking phobias of snakes, flying, spiders, and more. 

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

The first robot in literature may have been a 'mechanical man' in 1907's 'Ozma of Oz,' a book in L Frank Baum's 'Wizard of Oz' series.

Apeirophobia is an overwhelming fear of living forever, perhaps stemming from the brain's inability to conceptualize an infinite life.

The concept of phantom limbs, the perception that amputated limbs are still present, dates back to a French military surgeon in the 16th century.

Georgia O'Keeffe's flower paintings are often assumed to be sexual, though the artist claimed she was simply interested in highlighting the beauty of flowers that most people neglect

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

Memecoins are a type of cryptocurrency—a form of digital currency with a wide variety of uses—created around popular 'memes,' or viral internet jokes.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

SpongeBob exemplifies Aristotle's philosophy for living well because he understands that happiness doesn't come from external factors like money, recognition, or power.

Elk Cloner, the first computer virus to spread in public, was written as a practical joke by Richard Skrenta, a Pittsburgh high school student.

Poison ivy is in the same family as mangoes, cashews, and pistachios—and they all produce oily urushiol in their raw, unprocessed state—but they are typically prepared in ways to avoid causing human discomfort.

Most of the observable universe's volume consists of voids and supervoids—enormous regions of space with little to no galaxies, stars, or light.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

For centuries, Niagara Falls has been a magnet for daredevils seeking to conquer one of nature's most powerful wonders, with its 200-foot drop and water rushing at 32 feet per second with 280 tons of force.

NBA superstar Victor Wembanyama spent the 2025 summer training with monks in central China to enhance his body and mind.

In 1945, Surrealist artist Salvador Dalí and legendary animator Walt Disney began collaborating on a short film that was not completed until 2003, years after both men had died.