Two mosquitoes suck blood

Mosquitoes Are Awful. So Why Haven't We Tried Exterminating Them?

Mosquitoes are the deadliest animals on Earth, but scientists warn that exterminating all of them could have disastrous consequences.

  Animals

1:18Siberian huskies
Getty Images

Direwolves Of 'Game Of Thrones' Lead To Dire Problems For Real Dogs

0:59Pigs
Getty Images

Transplanting Pig Organs Into Humans Could Happen In The Near Future

0:48Man beside one Patagotitan mayorum bone
American Museum of Natural History

Scientists Just Named The Biggest Land Animal Ever

1:19Sage grouse
U.S. Fish and Wildlife Service / CC BY 2.0

This Bird Is Once Again At The Center Of An Oil-Drilling Debate

0:42Bighead Asian carp
Mark Mauno / CC BY SA 2.0

US Army Corps Of Engineers Wants $275 Million To Battle Carp

1:47African elephant in the jungle with zebras in the background
African Parks

As Habitats Shrink, There Is Such A Thing As Too Many Elephants

:48Rescued animal, a lion, drinking water
Four Paws

Animals Abandoned In A Syrian Amusement Park Are Getting Help

1:21Team works on IVF procedure on a rhino.
Longleat

First In Vitro Embryos Could Save The Northern White Rhino

0:43Cecil the lion.
University of Oxford

Cecil The Lion's Son Xanda Met The Same Fate As His Father

0:58The mascots of Louisiana State, Missouri, Auburn and Clemson (clockwise from top left)
Getty Images

NCAA Tigers Are Teaming Up To Protect Tigers In The Wild

0:56A woman holds a dog.
Humane Society International

Over 140 Dogs Were Rescued From A Meat Farm In South Korea

1:01T. rex in computer simulation
University of Manchester

T. Rex Was Probably Much Slower Than You Thought

0:48A jumping spider sits on top of a plant
Artur Rydzewski / CC BY 2.0

Some Spiders Mimic Ants To Avoid Being Devoured

0:55Corals on the Great Barrier Reef
Toby Hudson / CC by SA-3.0

Reef Fish Make Riskier Choices If They've Been Exposed To Oil

1:14A group of horses.
Getty Images

Congress Is Working To Get Horses From Stables Onto Dinner Tables

1:10Close-up of tardigrade under a microscope
Goldstein Lab / CC by 4.0

Tardigrades Might Be The Sole Survivors Of The Apocalypse

1:10Raven
Will Brown / CC BY 2.0

Ravens Have The Rare Ability To Plan Ahead — Almost Like Humans

1:36Zebra fish embryo under the microscope
American Chemical Society

How To Freeze The Decline Of Earth's Endangered Species

1:24A tower of fire ants
Georgia Tech

Fire Ants Can Build Roiling Ant Towers To Get Around

1:04Bear walks through Lamar Valley in Yellowstone National Park
Neal Herbert / CC BY 1.0

Hunter Baits Might Be A Good Chunk Of Bears' Diets

0:46A black palm cockatoo perches on a branch
Laura Wolf / CC BY 2.0

These Percussive Cockatoos March To The Beat Of Their Own Drum

1:13A model of a woolly mammoth is displayed in the Royal BC Museum in Victoria, Canada
Flying Puffin / CC by SA 2.0

PayPal Founder Invests $100,000 To Bring Back The Woolly Mammoth

1:04Honey bees
Polly Dot / CC0

Scientists Finally Know How One Common Pesticide Is Harming Our Bees

0:56A mosquito feeds on blood
Getty Images

Scientists Are Inventing The Most Sci-Fi Ways To Wipe Out Mosquitoes

0:53Tilikum, the former SeaWorld orca and subject of the documentary "Blackfish."
Getty Images

SeaWorld Is Being Investigated For Its Response To 'Blackfish'

1:22A grizzly bear
The National Park Service

Yellowstone Grizzlies Are Losing Their Endangered Species Protection

0:55Dogs in a cage
Humane Society International

Despite Ban Rumors, The Yulin Dog Meat Festival Is Still Happening

0:59Skippy the Maine Coon waits to be judged at the 'Supreme Championship Cat Show"
Getty Images / Matt Cardy

How Did Cats Become Domesticated? Ancient DNA Gives Us Some Clues

0:47A Great Dane puppy being rescued
The Humane Society of the United States

84 Great Danes Rescued From 'Squalid' Puppy Mill

1:26A chimpanzee sits in a cage on the back of a truck
Getty Images / Justin Sullivan

Only 72 Of Nearly 600 Lab Chimpanzees Have Been Moved To Sanctuaries