Science & Nature
Massasauga
Massasauga rattlesnake: Michigan's only venomous snake spends its life in wetlands and bogs. Here's its diet, venom, range, and threatened status.
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.
Boomslang
The boomslang is a rear-fanged tree snake of sub-Saharan Africa with hemotoxic venom that stops blood from clotting. Learn how dangerous it really is
Kudu
Split among the Greater kudu and lesser kudu, the former brand of these furry quadrupeds are strictly vegetarian, but are among the world's largest antelope.
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.
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.
The World’s Largest Eagles
Determining which eagles are the biggest in the world requires an examination of mass, length, and wingspan.
What Animals Live In The Nile River?
The Nile crocodiles, known for their aggressive nature, are apex predators in the Nile River.
10 Animals With The Strongest Bites
Things like jaw size, teeth shape, and of course, the size and shape of the prey/food all impact the measurement of bite strength.
Spotted Hyena
Africa's spotted hyena is a hunter first, scavenger second. Explore its jaws, female-led clans, range, diet and conservation status.
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.
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.
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.
Birds That Start With C
Some of the birds whose names begin with C include the crow, the cockatoo, the carrier pigeon, the chicken, the cuckoo, the Canada goose, the chickadee, the cormorant, cockatiel and the canary.
What Animals Live In The Amazon River?
While the Amazon River supports the Amazon rainforest on land, it is also home to a great diversity of aquatic and semi-aquatic fauna.
Brown Bear
Brown bears are one of the largest species of bear, standing tall at 6.5 feet and known for behavior like digging as well as hibernation.
Gecko
More than 2,000 gecko species range across every warm continent. Inside their classification, habitat, toe pads, voices, breeding, and threats.
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.
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.
Gharial
Meet the gharial, the fish-eating crocodilian with a taffy-stretched snout. Fewer than 800 breeding adults survive in the rivers of India and Nepal.
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.
What Happens Inside A Neutron State
A teaspoon of neutron star matter weighs about a billion tons, revealing why these collapsed stellar remnants are among the densest objects in the universe.
What's the Fastest Thing in the Universe?
Light sets the universe’s speed limit, but cosmic rays, pulsars, black hole jets, and Parker Solar Probe come astonishingly close.
Tiger Shark
A guide to the tiger shark: its size, worldwide range, wildly varied diet, teeth, reproduction, danger to humans, and conservation status.
What's the Biggest Thing in the Universe?
The Hercules-Corona Borealis Great Wall is the biggest known structure in the universe, defying our notions of what's possible.
Which Planet Is the Hottest?
With a daytime surface temperature of up to 867 degrees Fahrenheit, this planet gets so hot that it literally melts lead.