The federal government employs a total of 5,159 dogs, but only about 7 percent come from the United States.

U.S. Faces Bomb-Sniffing Dog Shortage

The pandemic has exacerbated an already short supply of specially-bred canines that detect explosives

The northern long-eared bat was listed as threatened in 2015. It will officially be reclassified as endangered in January 2023. 

Decimated by Fungus, the Northern Long-Eared Bat Is Now Endangered

A disease called white-nose syndrome has killed millions of bats in North America

Over the past 43 years, the Arctic has warmed nearly four times faster than the rest of the world. 

Scientists Revive 48,500-Year-Old Virus, Setting World Record

As temperatures rise because of climate change, melting permafrost could cause dormant diseases to re-emerge, researchers warn

SharkGuard takes advantage of sharks’ “sixth sense”—their ability to detect electromagnetic fields using specialized organs called ampullae of Lorenzini.

An Electric Pulse Could Scare Sharks Away From Fishing Hooks

A new device could reduce bycatch of blue sharks by 91 percent and pelagic stingrays by 71 percent, research suggests

Copco 1 dam, one of the four that will be demolished

The Largest-Ever Dam Demolition Will Restore Salmon Habitat

Four aging dams are slated to be removed from the Klamath River beginning as soon as next year

The current outbreak has led to the first case of avian flu in humans in the United States.

More Than 52 Million Birds in the U.S. Are Dead Because of Avian Flu

Many domestic birds have been culled to contain the disease, which is also spreading in wild flocks

Male great bustard (Otis tarda)

These Giant Birds Might Self-Medicate Their STIs

During the breeding season, great bustards consume two plants that may combat common pathogens

The Colorado River passes through the Grand Canyon.

A Century Ago, This Water Agreement Changed the West. Now, the Region Is in Crisis

Much has changed since the Colorado River Compact was signed in 1922

An illustrated reconstruction of Leviathanochelys aenigmatica.

Scientists Unearth a Prehistoric Marine Turtle the Size of a Car

Fragments of the creature's pelvis and shell were discovered in the Pyrenees

Winchcombe meteorite

Meteorites May Have Brought Water to Earth and Mars

Rare, carbon-containing rocks could have created conditions suitable for life on both planets, two new studies suggest

Scientists have discovered the first living C. cooki specimen.

Researchers Find Living Clam Thought to Have Gone Extinct Thousands of Years Ago

While looking for sea slugs in California, a marine ecologist came across the tiny, ten-millimeter mollusks

Preet Chandi trains in Chamonix before starting her journey across Antarctica.

‘Polar Preet’ Sets Out to Become the First Woman to Cross Antarctica Solo and Unsupported

After setting a record as the first woman of color to reach the South Pole unsupported last year, Preet Chandi is now tackling a 1,100-mile challenge

Marine biologist Mike Barnette and wreck diver Jimmy Gadomski explore a large segment of the Challenger Space Shuttle, which exploded in 1986. 

Cool Finds

Divers Accidentally Find a Piece of the Challenger Space Shuttle

A documentary film crew stumbled across a section of the destroyed spacecraft that measures at least 15 by 15 feet

The U.N. predicts the world population will reach eight billion by November 15.

Global Human Population to Reach Eight Billion by November 15

While U.N. officials warn against “population alarmism,” some experts say this milestone should be a wake-up call

The comb is made of ivory and inscribed with the sentence: "May this tusk root out the lice of the hair and the beard."

Scientists Translate the Oldest Sentence Written in the First Alphabet

Inscribed on a Canaanite comb, the words reveal a struggle with head lice

Ugandan youth climate activist Leah Namugerwa speaks during the Sharm El-Sheikh Climate Implementation Summit of the UNFCCC. 

What You Need to Know About the COP27 Climate Summit

World leaders are gathered in Sharm el-Sheikh, Egypt, to discuss climate action

Sonoran Desert toads live at least ten years and possibly as many as 20. 

Don’t Lick This Toad, National Park Service Says

Sonoran Desert toads secrete a psychedelic toxin strong enough to kill a full-grown dog

Yale cast (top) and Berlin cast (bottom)

Scientists Find Plaster Copies of Fossil Destroyed by Nazis

Two casts of the first complete ichthyosaur skeleton ever unearthed were hidden in museum collections in Berlin and Connecticut

Car companies are only required to test vehicle safety using crash dummies modeled after men.

The First Female Crash Dummy Has Arrived

Women are more likely to get injured in car crashes, but the currently available test dummies don’t reflect the average female body

A tiger shark swims above seagrass.

Tiger Sharks Carry Cameras to Help Scientists Map Seagrass

A new study found what might be the world's largest seagrass ecosystem: a 35,500-square-mile meadow in the Bahamas

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