The invasive northern giant hornet, also called a murder hornet, has been eradicated from the United States.

Officials Declare the U.S. Free of 'Murder Hornets' in a Rare Victory Against an Invasive Insect

Five years after the first sighting in Washington state, intense efforts have eradicated the bee-killing hornets from the nation

Sombrero ground lizards (Pholidoscelis corvinus) are endemic to Sombrero Island, north of Anguilla, which means they're found nowhere else on the planet.

This Once-Rare Lizard Bounced Back From the Brink of Extinction After 'Painstaking' Restoration Efforts in the Caribbean

In 2018, fewer than 100 Sombrero ground lizards remained on Sombrero Island—but now, more than 1,600 of the critically endangered reptiles are scampering around the limestone landscape

Siberian tigers Boris and Svetlaya lounge together in the wild. Boris walked 120 miles to reunite with her after their release from a rehabilitation program.

Two Orphaned Siberian Tigers Reunite as Mates After a 120-Mile Trek Through Russian Wilderness

Conservationists hope the love story between Boris and Svetlaya might indicate a new, successful chapter in tiger repopulation efforts

Hawaiian crows, or ʻalalā, are intelligent birds that play an important role in Hawaiian culture. (This is not one of the five individuals taking part in the pilot release on Maui.)

Scientists Release Five Hawaiian Crows on Maui, Giving the Imperiled Birds a Second Chance—on a New Island

Only about 110 individuals of the species, called ʻalalā, are left in the world, making them the most endangered crows on Earth

Gus did not hesitate to belly flop into the ocean.

Gus, the Young Emperor Penguin Who Made a Surprise Appearance in Australia, Is Now Heading Home

Wildlife caretakers released the bird into the Southern Ocean after he'd put on some weight and regained his strength

Makenzie Van Eyk (second from right) holds the message in a bottle that she wrote 26 years ago. Roland St. Pierre (far left) was her teacher at the time. Her daughter Scarlet (second from left) and son Huxley (far right) are enrolled in the same school she attended.

A Little Girl Dropped a Message in a Bottle Into a Lake. Her Daughter's Classmate Found It 26 Years Later

Makenzie Van Eyk wrote the letter as part of a class project in 1998, when she was in fourth grade. Recently, the note was discovered by a boy who goes to school with her daughter—who is now in fourth grade herself

This adult Partula tohiveana snail doesn't have a dot of UV-reflective paint on its shell, meaning it was born in the wild.

These Tiny Snails Are Breeding in the Wild for the First Time in 40 Years in French Polynesia

During a release of captive-bred snails in September, researchers discovered wild-born individuals from the Partula tohiveana species—which had been considered extinct in the wild—marking a huge milestone in a global effort to save them

An inside spread in the newspaper featured photos of some of the victims, including the Titanic's captain Edward J. Smith.

After the Titanic Sank, Families and Friends of People on the Ship Anxiously Waited to See Who Survived and Who Perished

A newspaper detailing the accounts of loved ones, published on April 20, 1912, was recently discovered in a wardrobe and sold at auction

A California condor chick rests in a clear container lined with paper at the L.A. Zoo.

A Record-Breaking 17 California Condor Chicks Hatched at the L.A. Zoo This Year

The successful breeding season offers more hope for the endangered species, which has come back from the brink of extinction due to captive breeding efforts

An endangered Przewalski's horse is released into the Altyn Dala "Golden Steppe" in central Kazakhstan.

Endangered Wild Horses Return to Kazakhstan for the First Time in at Least 200 Years

The international effort, led by the Prague Zoo, released seven Przewalski’s horses to their native steppe habitat in central Asia