Science & Nature
Indigo Snake
Hunted rattlesnakes, gopher tortoise burrows, and a comeback underway in Florida and Alabama. Inside the life of the Indigo Snake.
Tarsier
Tarsiers, the tiny nocturnal primates of Southeast Asia, have eyes bigger than their brains, swivel their heads like owls, and eat nothing but live prey.
Which Planet Has The Longest Night?
Discover why Uranus and Venus experience extraordinary periods of darkness and what makes their day-night cycles so different from Earth's.
Spitting Cobra
Spitting cobras spray venom several feet into a predator's eyes. Learn where these snakes live, what they eat, and how their aim stays so accurate.
Pygmy Rattlesnake
The pygmy rattlesnake's venom became a life-saving heart drug, and this tiny southeastern pit viper would far rather flee than bite. Meet a misfit rattler.
What Is The Fastest-Moving Planet?
Mercury, the closest planet orbiting the Sun, displays many astonishing qualities, including its dizzying orbital speed.
Beluga Whale
Beluga whales are highly recognizable, thanks to their winning smile. They're also highly intelligent and considered quite friendly.
Is There More Than One Universe?
Scientists cannot yet say for sure whether there are multiple universes out there, but string theory and quantum physics suggest there may be.
King Snake
A guide to kingsnakes: taxonomy, range and habitat, diet and hunting, size and markings, behavior, breeding, why they matter, and the threats they face.
What's the Heaviest Star Ever Found?
The heaviest star humanity has ever discovered contains the mass of about 230 Suns in a space only about 35 times its diameter.
Clouded Leopard
Inside the life of the clouded leopard, the secretive Asian cat with the longest canine teeth of any living feline, and a tail built for climbing.
What Is The Coldest Place In The Solar System?
What is the coldest place in the solar system? Not the farthest world from the Sun, but a permanently shadowed lunar crater. Explore why cold hides in shadow.
Which Planet Is The Most Tilted?
Uranus leans at 97.77 degrees, far more than any other planet. See why the seventh world spins on its side and what that does to its seasons.
The Most Common Birds in the World
Which species are the most common birds in the world? The house sparrow, rock pigeon, and European starling all number in the billions.
Saiga Antelope
The admittedly odd-looking saiga antelope's population fell by 95 percent after the fall of the Soviet Union, but is slowly recovering.
Why Is Space Black?
Learn why space appears black despite countless stars and how cosmic age and expansion combine with a lack of atmosphere to create darkness.
Which Animals Cannot Walk Backwards?
Neither Emus nor Kangaroos, which are both from Australia, can walk backwards. The Australian coat of arms features both of these animals as symbolism for moving forward.
White Tiger
White tigers exist due to a very rare genetic mutation found among Bengal tigers in India, but now exist only in captivity.
Does Space Ever Truly End?
See why the observable universe has a horizon and how space may be infinite or finite without ever reaching a physical edge.
Red Fox
Meet the red fox, the most widespread carnivore on Earth: its habitat, hunting, famous cunning, and how it thrives everywhere from forests to cities.
Why JWST Keeps Finding Galaxies That Shouldn't Exist
The construction of the James Webb Space Telescope has led to continuous revelations about the universe, including findings of galaxies that shouldn't exist.
Goblin Shark
Discover the unique goblin shark, a deep-sea living fossil with a long snout, pink skin, ancient lineage, and lightning-fast jaws.
Black Bear
The American black bear outnumbers every other bear species combined. A look at its range, diet, denning, breeding, and recovery.
Cuban Crocodile
Though only about half the size of an adult saltwater crocodile, Cuban crocodiles boast a range of unique characteristics.
10 Iconic Animals That Live Only In Canada
Hidden on remote islands, Arctic tundra, and isolated lakes, these 10 animals evolved into forms found nowhere outside Canada.
Banded Krait
Banded Krait (Bungarus fasciatus) is the longest krait, an elapid endemic to Asia with potent neurotoxic venom and a diet made up mostly of other snakes.
What Would Happen if the Sun Disappeared?
What would happen if the Sun vanished? Explore how Earth’s orbit, temperatures, oceans, and surviving life would change in total darkness forever.
What Is A Cloud Forest?
How cloud forests drink from the clouds, and why Kilimanjaro, Monteverde, Yakushima and the Appalachians all depend on the mist.
The Driest States In The United States
The driest states in the US aren't all deserts. Some are famous for snow. Ranked by NOAA precipitation data, with the geography that keeps each one dry.
Which Planet Has The Biggest Storm?
Discover why Jupiter's Great Red Spot is the largest storm in the solar system and what scientists have learned about this centuries-old atmospheric giant.
The Cities With the Lowest Annual Rainfall in the US
The Cities With the Lowest Annual Rainfall in the US are led by Yuma, Arizona, where barely three inches fall in a year, followed by Las Vegas and Phoenix.
Milk Snake
Milk snakes are relatively docile and not a threat to humans, but are often mistaken for copperheads, or even rattlesnakes.
Could Humans Live On Titan?
Though Titan has an atmosphere and surface relatively similar to Earth, its temperatures and rotation would make life on Titan difficult for humans.
What's Outside the Universe?
Most people are aware of the Big Bang, but rarely dive into the specifics of what's outside the universe. Is it even possible to know?
What Would Jupiter Look Like as a Star?
See how Jupiter might glow, change color, and alter the solar system if the giant planet gained enough mass to become a star.