9 Blue Butterfly Species You Won't Believe Are Real

9 Blue Butterfly Species You Won't Believe Are Real

Our Top Reads

What Do Lions Eat in the Wild?

By Nico Avelle

The Worst Flood in History (and 9 Other Catastrophic Floods)

By Zach Taras

Ox vs. Bull: Born to Breed or Born to Work?

By Nico Avelle

The Biggest Frog in the World (Plus 11 Massive Contenders)

The Biggest Frog in the World (Plus 11 Massive Contenders)
Stoat: A Petite, Scrappy and Irresistibly Soft Speedster

Stoat: A Petite, Scrappy and Irresistibly Soft Speedster
The Tri-State Tornado of 1925 Traveled Over 200 Miles

The Tri-State Tornado of 1925 Traveled Over 200 Miles
10 Types of Fish You'll Find on Restaurant Menus

10 Types of Fish You'll Find on Restaurant Menus

Try Our Crosswords, Riddles and Puzzles!

Can You Solve This Riddle?

Can You Solve This Riddle?
Play Our Crossword!

Play Our Crossword!
Can You Solve This Riddle?

Can You Solve This Riddle?

In the News

The Copperhead Snake Is Seldom Lethal But Always Venomous

April 13 By Zach Taras, John Perritano

Rube Goldberg: The Man Behind the Ingenious Contraptions

April 10 By Stell Simonton

Oedipus Complex: Digging Into Freud's Controversial Theory

April 10 By John Donovan

Neuschwanstein Castle: The Real Story Behind the Fairy-tale Fortress

April 10 By Dave Roos

The Ring of Fire Is the Pacific's Volcanic Hotspot

April 10 By Mark Mancini

What Is Zionism and Is It Fueling the Palestinian-Israeli Conflict?

April 9 By Dave Roos

How to See and Delete Your Google History

How to See and Delete Your Google History
What Does It Mean When Someone Says 'That's Just Semantics'?

What Does It Mean When Someone Says 'That's Just Semantics'?

Did You Hear?

Ox vs. Cow: Different Uses for the Same Species

Ox vs. Cow: Different Uses for the Same Species
What Do Rabbits Eat? Or Rather, What Should Rabbits Eat?

What Do Rabbits Eat? Or Rather, What Should Rabbits Eat?
What Do Snails Eat ... and How?

What Do Snails Eat ... and How?
The Zizians: A Strange and Dangerous Techno-Cult

The Zizians: A Strange and Dangerous Techno-Cult
Goose vs. Duck Identification: Size, Bills and Neck Length

Goose vs. Duck Identification: Size, Bills and Neck Length

Science

Aztec Achievements: Crafting a Legacy of Innovation

Aztec Achievements: Crafting a Legacy of Innovation
Square Waves in Ocean Settings Are Rare But Dangerous

Square Waves in Ocean Settings Are Rare But Dangerous
Why Did the Russians Seal Up the Deepest Hole in the World?

Why Did the Russians Seal Up the Deepest Hole in the World?
What Is CNC Machining?

What Is CNC Machining?

Culture

6 Famous Outlaws of the Wild West

6 Famous Outlaws of the Wild West
Did the Library of Alexandria Really Exist?

Did the Library of Alexandria Really Exist?
The Famous Family Feud That Spawned Adidas and Puma

The Famous Family Feud That Spawned Adidas and Puma
Chinese-American Actress Anna May Wong Fought Racism in Life and Onscreen

Chinese-American Actress Anna May Wong Fought Racism in Life and Onscreen

Animals

What Is the Most Dangerous Animal in the World?

What Is the Most Dangerous Animal in the World?
Looks and Acts Like a Hummingbird? Could Be a Hummingbird Moth

Looks and Acts Like a Hummingbird? Could Be a Hummingbird Moth
The Bearded Dragon Cuddles But Doesn't Breathe Fire

The Bearded Dragon Cuddles But Doesn't Breathe Fire
Why Were So Many Prehistoric Animals So Big?

Why Were So Many Prehistoric Animals So Big?

Auto

How the Amphicar Worked

How the Amphicar Worked
How Many Wheels Are in the World?

How Many Wheels Are in the World?
What Causes 'New Car Smell'?

What Causes 'New Car Smell'?
What Are Those Squiggles of Tar on the Road?

What Are Those Squiggles of Tar on the Road?

Editor's Picks

The Sun Spider Is an Arachnid but Not an Actual Spider

The Sun Spider Is an Arachnid but Not an Actual Spider
Did You Know There Are 23 Countries in North America?

Did You Know There Are 23 Countries in North America?
The Richest Family in the World Heads a Massive U.S. Chain

The Richest Family in the World Heads a Massive U.S. Chain

A River Runs Through It

The 9 Longest Rivers in the World: From the Nile to the Congo

The 9 Longest Rivers in the World: From the Nile to the Congo
Eco Engineers: 5 Animals That Can Reshape Earth's Waterways

Eco Engineers: 5 Animals That Can Reshape Earth's Waterways
River-bottom Bones: The Strange World of Underwater Fossil Hunting

River-bottom Bones: The Strange World of Underwater Fossil Hunting

Get Your Garden On

How 'Lasagna Gardening' Helps Create Healthy Soil

How 'Lasagna Gardening' Helps Create Healthy Soil
How Composting Works

How Composting Works
Companion Planting: The Do's and Don'ts of Growing Plants Together

Companion Planting: The Do's and Don'ts of Growing Plants Together

Deserts of the World

5 of Earth's Highest Deserts

5 of Earth's Highest Deserts
10 Largest Deserts in the World

10 Largest Deserts in the World
Hunting for Martians in the Most Extreme Desert on Earth

Hunting for Martians in the Most Extreme Desert on Earth