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Animals

A satellite view of a phytoplankton bloom in the Southern Ocean

Earthquakes Deep Below Antarctic Waters Seem to Have Surprising Effects on Life at the Surface

Quakes may cause ocean floor vents to release more nutrients, triggering blooms in plantlike organisms called phytoplankton in the Southern Ocean

Male white-tailed deer rub their heads on trees and urinate on scraped-up earth to leave "signposts," which glow under ultraviolet light, a study suggests.

When Male Deer Mark Trees, Those Spots May Glow Like Neon Lights at Dusk and Dawn, Though Humans Usually Can’t See Them

During the breeding season, white-tailed deer might use their eyes and noses to navigate signs—forehead secretions on trees and urine on the ground—left by males of their species, a study suggests

The two cubs in their indoor den 

Meet the National Zoo’s Adorable 1-Month-Old Sloth Bear Cubs—the First Born There in More Than a Decade

The cubs will spend the next few months with their mother before debuting to the public

A humpback whale off the coast of Iceland

By Collecting Whale Breath, Researchers Detected a Deadly Virus in the Arctic for the First Time

Flying a drone with Petri dishes above exhaling whales helped scientists identify a dangerous pathogen that can damage the animals’ respiratory, immune and nervous systems

The U.S. military will no longer shoot live goats and pigs to help combat medics learn to treat battlefield injuries.

U.S. Military Ends Practice of Shooting Live Animals to Train Medics to Treat Battlefield Wounds

The 2026 National Defense Authorization Act bans the use of live animals in live-fire training exercises and prohibits “painful” research on domestic cats and dogs

The manumea is the national bird of Samoa, but it's on the brink of extinction.

Elusive, Critically Endangered Bird—and One of the Closest Living Relatives of Dodos—Was Spotted for the First Time in Five Years

Conservationists are racing to save the manumea, a chicken-sized bird that lives only on two Samoan islands, from extinction

Many stingless bees are native to Peru, where they pollinate the Amazon's diverse plants and food crops.

Honey-Making Stingless Bees in the Peruvian Amazon Become the First Insects to Gain Legal Rights

Two local ordinances granted rights to at least 175 stingless bee species in Peru, which are culturally and spiritually significant to Indigenous peoples and help maintain a healthy rainforest ecosystem

Paranthropus boisei composite hand

The Top Human Evolution Discoveries of 2025, From the Intriguing Neanderthal Diet to the Oldest Western European Face Fossil

Smithsonian paleoanthropologists examine the year’s most fascinating revelations

About 50 Apennine brown bears live in central Italy.

After Living Alongside Humans for Millennia, These Italian Brown Bears Have Evolved to Become Less Aggressive

Researchers found genetic differences that likely resulted from humans killing aggressive bears, leaving docile individuals to breed and pass along their genes to offspring

Flat-headed cats are rarely observed in the wild, in part because of their nocturnal habits.

This Wild Cat Is Considered ‘Possibly Extinct’ in Thailand. Researchers Just Caught It on Camera for the First Time in About 30 Years

Findings from the largest-ever survey of endangered flat-headed cats may help change the species’ official conservation status in Thailand

Dark-eyed juncos are small sparrows found throughout North America.

These Urban Birds Evolved Longer Beaks During Covid-19 Lockdowns. Then, They Changed Back

Researchers suspect that dark-eyed juncos living in Los Angeles adapted based on the availability of food scraps tossed by humans

Our most-read stories of the year spotlighted a Eugène Delacroix painting, horseshoe crabs, the Dionne quintuplets and more.

Ten Top Smithsonian Stories of 2025, From Eerie Clay Puppets With Detachable Heads to a New Look at the American Revolution

The magazine’s most-read articles of the year included a deep dive on the Scopes “monkey trial,” an interview with award-winning documentarians and a profile of quintuplets who found fame during the Great Depression

Researchers were surprised when they spotted an additional cub with this mother polar bear.

This Mama Polar Bear Adopted a Young Cub—and You Can Track the Family as They Wander Around the Hudson Bay

The rare event marks the 13th known instance of adoption within this well-studied group of polar bears living in the western Hudson Bay area

Magellanic penguins are easy prey for the large cats.

Pumas Are Snacking on Penguins in Argentina—and the Abundant Birds Are Changing the Prowling Cats’ Behavior

Mountain lions are adapting to their defenseless, predictable prey, which return to Patagonia seasonally to nest and breed, new research suggests

A similar situation unfolded in January 2023, when a burrowing owl (pictured here) was found aboard Royal Caribbean International’s Symphony of the Seas.

These Owls Took a Free Vacation on a Cruise Ship—but Soon They’ll Be Heading Home

A pair of burrowing owls made themselves at home aboard Royal Caribbean International’s Allure of the Seas in February, joining a trans-Atlantic sailing to Spain. They’ll return to the United States next month

A trail camera in Vermont captured 80 photos of moths fluttering around a moose's head, likely slurping up its tears.

Trail Cameras in Vermont Captured Something Strange: Moths Sipping a Moose’s Tears

Tear-drinking, known as lachryphagy, has mostly been observed in the tropics, so scientists were somewhat surprised to find the unusual behavior so far north

A rinkhals (Hemachatus haemachatus) in Hluhluwe, South Africa, performs a threat display. These snakes tend to live on the edges of human communities.

The High-Stakes Quest to Make Snakebites Survivable Took Leaps Forward This Year, With Promising New Avenues to Safer Antivenoms

A wave of fresh science is challenging a century-old treatment and offering hope to the people snakebites harm most—often far from hospitals and help

Orcas and dolphins might hang out together off the coast of British Columbia to hunt for food as a team, new research suggests.

Watch These Orcas Follow Dolphins to Snag a Salmon Feast. It Might Be the First Evidence of These Species Working Together

Off the coast of British Columbia, killer whales are tailing dolphins, and both seem to be rewarded with fishy meals. But not everyone is convinced it’s teamwork—and the behavior may hint at other ocean stressors

Owners and their golden retrievers gather in an attempt to break the world record in the Bosques de Palermo in Buenos Aires on December 8, 2025.

More Than 2,000 Golden Retrievers Gather in an Argentina Park in an Attempt to Break a World Record

The previous informal record had been set during an event in Vancouver last year, which brought together 1,685 goldens

Bao Li (pictured on January 4, 2025) and Qing Bao, who are both 4 years old, are still considered teenagers in panda years.

Pandamonium

See 14 of the National Zoo’s Most Adorable Giant Panda Photos From 2025

These snapshots of Bao Li and Qing Bao capture the pair’s cutest moments, from playing in the snow to celebrating their 4th birthdays

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