Science & Nature
The Most Wolf-Dense Regions in the United States
Gray wolves in the U.S. are concentrated in four regions: the Great Lakes, Northern Rockies, Pacific Northwest, and Alaska, with about 19,000 wolves today.
Why The Search For Planet Nine Picked Up Again
Learn why astronomers are searching for Planet Nine again and how the Rubin Observatory could help reveal a hidden world beyond Pluto.
Why Pluto Might Still Have A Liquid Ocean
Pluto is one of the coldest worlds in the solar system, yet evidence suggests a vast liquid ocean may still survive beneath its icy crust.
The 10 Windiest Places in the World
Discover the ten windiest places in the world, from storm-battered coasts to mountain peaks where powerful gusts shape the landscape and daily life.
Why Voyager 1 Keeps Sending Strange Data From Interstellar Space
Explore Voyager 1's journey into interstellar space, the truth behind its strange signals, and the discoveries that changed space science.
The Largest Volcanoes Ever Found Beyond Earth
Explore the largest volcanoes beyond Earth, from Mars’ Olympus Mons to icy cryovolcanoes on Ceres and Enceladus and lava lakes on Io.
Inside the Coldest Place in the Universe
Discover the Boomerang Nebula, the coldest known natural place in the universe, and learn how a dying star created this cosmic deep freeze.
Endemic Birds Of The United States
America has bird species found within its borders and nowhere else. Discover the country's endemic birds and why so many cling to shrinking habitats.
Tiger Snake
Tiger snakes are a species native to Australia and Tasmania. They can grow up to six feet long and possess highly poisonous venom.
Wildebeest
The wildebeest is an animal that is native to the African Savanna and a part of a profound journey known as the Great Migration.
Hognose Snake
Hognose snakes are unique, nonvenomous reptiles with specialized adaptations, such as upturned snouts and dramatic defensive behaviors.
Asian Elephant
Asian elephants are the second-largest land mammal in the world (after their African counterparts), and they are highly social and intelligent.
Why Apophis Will Pass Closer Than Many Satellites In 2029
Witness the rare 2029 flyby of asteroid Apophis as it passes closer to Earth than many satellites, offering a once-in-a-generation research opportunity.
Freshwater Crocodile
Discover the freshwater crocodile, Australia's shy river-dwelling reptile, from its habitat and diet to its behavior, threats, and ecological importance.
11 Best Long-Distance Hiking Trails In The US
Perhaps the biggest challenge is just getting started; the first step is to pick your path. So here are 11 of the biggest and best treks to choose from.
What The Latest Mars Helicopter Flights Taught Us
NASA's Ingenuity helicopter made history as the first aircraft on another planet, reshaping Mars exploration and future space missions.
The Busiest Airports In The World
The 2025 ranking shows Atlanta leading again, while Middle Eastern and Asian mega-hubs surge as global air travel rebounds.
The Most Biodiverse Forests in the United States
Many US forests harbor vast biodiversity, including the Great Smoky Mountains and Oregon-California mountain ranges, but they face significant threats.
Why Webb Is Rewriting The Story Of The Early Universe
The Webb space telescope has the capability to capture images of galaxies from billions of years ago, changing our understanding of the universe.
The Most Shark-Infested Coastlines in the United States
Discover the most shark-populated coastlines in the United States, from Florida to Hawaii, and learn where sharks thrive and migrate.
Humpback Whale
Explore the world of humpback whales, including their behavior, migration, diet, reproduction, and role in ocean health.
The 10 Hottest States in the US
The ten hottest US states in 2025 ranked by annual average temperature, from Florida at 72.3°F to Arkansas at 62.6°F, based on NOAA data.
Black Mamba
The black mamba is Africa's longest venomous snake, known for its speed, potent venom, unique behavior, and important ecological role.
How Many Types of Lizards Are There?
Lizards aren't all alike. Discover the main types of lizards, from geckos and iguanas to skinks, monitors, and chameleons, grouped into a few major families.
African Wild Dog
African wild dogs are an endangered species found mostly in East Africa. They are skillful hunters and live in dedicated packs.
The Most Earth-Like Worlds Found So Far
A clear look at six Earth-like exoplanets, from TRAPPIST-1e to TOI-700 d, and why each raises questions about life beyond Earth.
Saw-Scaled Viper
It hisses by rubbing its scales together and strikes without warning. Explore the saw-scaled viper, often called the world's deadliest snake.
Axolotl
Learn why axolotls are critically endangered in the wild, where they live, what they eat, and how these rare aquatic salamanders survive.
Mojave Rattlesnake
Learn how the Mojave rattlesnake lives, hunts, reproduces, and uses powerful venom in desert habitats across the Southwest and central Mexico.
The 10 Largest Fish Species Living Today
The tiger shark the fourth-largest living fish species and is responsible for the second-highest number of attacks on humans after the great white shark.
What The 2024 Asteroid Warning Actually Revealed About Earth's Defenses
A newly found asteroid briefly threatened Earth in 2032. Here's what the 2024 warning taught us about detection, tracking, and stopping a real impact.
10 Most Harmful Invasive Species In The World
Invasive species have an adverse effect on native flora and fauna. Here are ten of the most harmful invasive species now on the planet.
The Largest Snakes In The World
Measured either by their length or by weight, the world’s largest living snakes are mainly members of the Pythonidae and Boidae families.
King Cobra
The king cobra is the world’s longest venomous snake, known for its intelligence, deadly venom, iconic hood, and vital ecological role.
10 Of The Smartest Animals In The Wild
It is estimated there are about 8.7 million animal species alive on Earth today, but we have identified just 1.2 million to date. Here is a look at ten animals currently considered to be quite intelligent.
Where is the Oldest Tree in the World?
The oldest individual tree in the world is a 5,066 year-old Great Basin bristlecone pine. It is located in the White Mountains of California.
Is The Universe Infinite?
Is the universe infinite? Explore what scientists know about the size of the cosmos, the observable universe, and one of astronomy's biggest mysteries.
Water-Rich Atmosphere On Exoplanet Is Likely Methane
New research suggests the water-rich atmosphere reported on exoplanet K2-18b may actually be dominated by methane, reshaping our understanding of the distant world.
What Animals Live In The Australian Outback?
Kangaroos are commonly seen in the Australian Outback.