Science & Nature
The 10 Hottest Cities in the United States
Discover which U.S. cities have the highest average annual temperatures, from tropical South Florida to the desert Southwest, based on NOAA climate normals.
8 Types of North American Squirrels
Discover 8 types of North American squirrels, from familiar tree-dwelling species to ground burrowers and elusive flying squirrels found across the continent.
Why Alligators Don't Live West of Texas
There are no alligators in America west of Texas, and there are a few specific reasons for it, related to climate and habitat.
Leopard
The leopard is the world’s most widespread wild cat, renowned for its stealth, strength, and ability to adapt across forests, cities, and remote regions.
Rainbow Boa
Endemic to Central and South America, rainbow boas are a dazzling species whose scales reflect shimmering rainbow light.
Who Invented the Telescope?
Who really invented the telescope? Explore the competing claims, from Dutch spectacle makers to Galileo’s breakthroughs that changed astronomy forever.
What are the Terrestrial Planets Of Our Solar System?
The terrestrial planets of the Solar System are those that are composed mainly of silicate rocks or metals.
The Most Dangerous Animals of the Amazon Rainforest
Uncover the most dangerous creatures in the Amazon Rainforest, where animals wield electric shocks, potent venoms, and stealthy prowess.
Coastal Taipan
Among all of Australia's deadly snake species, the coastal taipan ranks as the deadliest, combining lethality with unfortunate circumstance.
Are There Volcanoes On Other Planets?
Most planets in the Solar System have evidence of active, dormant, or extinct volcanoes.
Endemic Species
An endemic species is one that exists only within a specific place, region, or geographic area ranging from a particular ecosystem to an entire continent.
Africa's "Thunderbird" Is At Risk Of Extinction
Being key indicators of environmental health and the impact of humans on natural landscapes, the survival of Southern ground hornbills is essential to conserving the biodiversity.
How Fast Is The Earth Moving?
The Earth is currently spinning about its axis while also orbiting the sun. Earth also orbits the Milky Way’s center as well being carried by the Milky Way.
Halley's Comet
Discover the story of Halley’s Comet, the famous celestial visitor that returns roughly every 76 years and has fascinated observers for centuries.
Will Humans Ever Go To Mars?
NASA plans on sending the first humans to Mars sometime in the late 2030s to early 2040s, yet that timeframe is dependent on funding and technology.
The 10 US Cities With the Shortest Summers
These US cities have the shortest summers in the country, influenced by Arctic latitude, ocean waters, and mountain elevation.
Grizzly Bear
Discover key facts about grizzly bears, including where they live, what they eat, how they survive, and why these iconic bears still face threats.
Garter Snake
Garter snakes play a vital role in North American ecosystems, helping control pests while posing little threat to people, gardens, or yards.
The Ecological Regions Of Japan
Japan is an archipelago of mountains and coastlines, ranging from the warm subtropical south to fairly cool north.
What Is The Karman Line?
The Karman Line is an imaginary line used by scientists to define the boundary between Earth's atmosphere and outer space.
10 Iconic Animals That Live Only In The US
Meet 10 animals tied to U.S. landscapes, from Florida panthers and island foxes to red wolves, alligators, prairie dogs, and coastal beach mice.
Are There Copperhead Snakes In The Everglades?
The only region of Florida with native populations of copperheads is the Panhandle. Specifically, they tend to stick to the Apalachicola River Basin.
Snow Leopard
Snow leopards thrive in Asia’s high mountains, where their adaptations, ecology, and conservation needs clearly reveal a fragile alpine future.
What Are the Closest Galaxies to Earth?
Explore the galaxies closest to Earth, from the Milky Way’s satellite companions to nearby spiral neighbors in our corner of the universe.
10 Iconic Animals That Live Only In North America
North America’s wildlife ranges from California’s prehistoric birds to unique Channel Islands species, reflecting the continent’s diverse ecosystems.
Lynx
Learn how lynx species survive across northern habitats, hunt specialized prey, and shape ecosystems while facing modern conservation challenges.
The Causes And Effects Of Ocean Pollution
Ocean pollution refers to the introduction of toxic materials and other harmful pollutants into the ocean waters.
Hammerhead Shark
Hammerhead sharks are some of the most visually striking sea creatures on Earth, but there's more to this fascinating creature than meets the eye.
The Four Forces Of Physics
The universe is governed by four forces of physics: gravity, electromagnetism, weak nuclear force, and strong nuclear force.
How Senegal's Niokolo Koba Came Back From The Brink
The recent discovery of 20 African wild dogs (including pups) in the Niokolo Koba National Park of Senegal, West Africa, is a reason to rejoice
Which Planet Spins the Fastest?
Which planet spins the fastest? Discover the surprising world with the shortest day in our solar system and what makes its rapid rotation possible.
Why Hawaii Has No Native Snakes
Hawaii has no native snakes because ocean isolation shaped its wildlife, creating fragile ecosystems where introduced predators pose serious risks.
Greenland Shark
Often referred to as the ‘gurry shark’, the Greenland Shark is a large species of shark, that is a member of the ‘sleeper shark family’ Somniosidae.
Asia's Dhole Populations At Risk Of Extinction
The elusive dhole is perhaps one of the most misunderstood species of all time and currently among the most threatened carnivores on the planet.
Biggest Asteroid Impacts In Earth's History
Escape for a long weekend with seven ideal Mid-Atlantic destinations offering historic downtowns, coastal scenery, mountain escapes, and easy 3-day itineraries.
American Alligator
Found in bayous, creeks, streams, lakes, rivers, swamps, and marshes, the American alligator is an apex predator and a fascinating creature.
The Most Invasive-Species-Infested Rivers in America
Invasive species, generally, are considered detrimental, unwanted intruders in whatever environment they inhabit. Rivers are no exception.
Portuguese Man o' War
The venomous Portuguese man o' war is a unique organism composed of a colony of genetically identical zooids that drifts on ocean currents.
The Most Abundant Elements In The Earth's Crust
The Earth’s crust is 25 miles, or 40 km deep and is composed of solid rocks and minerals that cooled and solidified when the Earth was young.