Mammals News

September 22, 2026

Top Headlines

Scientists Discover First New Penguin Species in More Than 100 Years

Sep. 21, 2026 Genetic evidence has revealed a previously unknown gentoo penguin species on the remote Kerguelen Islands and shown that gentoos actually consist of four distinct species. The discovery also highlights a growing threat, as warming oceans could leave ...

The Secret to Longer Life May Be Hidden in Bat DNA

Sep. 11, 2026 Long-lived bats appear to combine powerful immune defenses with unusual strategies for eliminating damaged cells, potentially helping them avoid cancer and disease for decades. Researchers hope these genetic tricks could eventually reveal new ways ...

Bats Carry Dangerous Viruses Without Getting Sick. This May Be Why

Sep. 3, 2026 Scientists discovered that more than 500 species of vesper bats possess two separate sets of antibody genes, an immune arrangement never before found in mammals. The surprising system could help explain how bats tolerate so many viruses without ...

Dogs May Hold Surprising Clues to Human Longevity

Aug. 29, 2026 Dogs and humans may have more in common when it comes to aging than scientists realized. Researchers with the Dog Aging Project found that patterns of small molecules in dogs’ blood were linked to longer or shorter lifespans in remarkably similar ...

190-year-old DNA Reveals a Hidden Pangolin Species

Aug. 26, 2026 DNA from a nearly 190-year-old museum specimen has helped scientists confirm a distinct Himalayan pangolin species hiding in plain sight in Nepal and northern India. The discovery could give conservationists a powerful new way to trace illegally ...

Bird Flu Is Spreading. Your Backyard Feeder Could Make It Worse

Aug. 24, 2026 Backyard bird feeders could become unexpected hotspots for H5N1 as Australia’s bird flu outbreak spreads, bringing species together in ways that rarely occur naturally. Experts say stopping feeding is safest, while smaller amounts of food, no ...

These Underwater Bones Could Solve a Mystery About Extinct Giants

Aug. 4, 2026 Animal bones preserved in South Australia’s underwater caves reveal distinctive clues shaped by darkness, algae, bacteria, and other environmental conditions. The findings give scientists a powerful new way to reconstruct how ancient megafauna ...

Scientists Found Mystery Bacteria Inside One of the Ocean’s Most Elusive Whales

July 21, 2026 Scientists studying decades of pygmy sperm whale strandings have uncovered three previously unknown types of Helicobacter bacteria hiding in the animals’ stomachs. All four infected whales showed ...

Koalas Nearly Went Extinct Before Humans Arrived, DNA Study Reveals

July 17, 2026 A major DNA study has rewritten the koala's evolutionary story, revealing that the species suffered a dramatic population collapse about 100,000 years ago, long before humans arrived in Australia. By calculating the koala's mutation rate for the ...

This Pet Gecko Could Help Scientists Unlock the Secrets of Cancer

July 15, 2026 An unusual leopard gecko that naturally develops aggressive tumors may become an important new model for cancer research. Scientists found its tumors share key genetic changes with human cancers, offering a rare opportunity to study the disease as ...

Deep-sea Life Has a Secret Food Source Scientists Never Expected

July 12, 2026 Scientists discovered that extreme deep-sea pressure squeezes valuable nutrients out of sinking organic particles, providing an unexpected food source for ocean microbes. The finding could rewrite our understanding of both deep-ocean ecosystems and ...

Scientists Warn Invasive Asian Mantises Are Threatening Europe's Wildlife

July 11, 2026 Two striking Asian praying mantis species that have rapidly spread across Europe have now been officially classified as invasive, raising new concerns about their impact on native wildlife. Boosted by climate change and urban environments, these ...

Latest Headlines

updated 11:19am EDT

Humpback Whale Mother May Have Mourned Her Dead Calf for Days

Sep. 22, 2026 Researchers observed a humpback whale mother staying beside her presumed stillborn calf for hours and possibly days off Australia’s Gold Coast. She maintained eye contact and remained close to the ...

Scientists Discover a Hidden “ID Card” in Cat Urine

Sep. 20, 2026 Cats may identify one another through a surprisingly durable chemical “calling card” made from 13 unusual fatty acids in their urine. The compounds appear linked to mysterious fat droplets in the ...

The American “cheetah” Wasn’t a Cheetah at All

Sep. 8, 2026 The extinct “American cheetah” was not really a cheetah at all, but a puma relative with an unexpectedly flexible lifestyle. Fossils from the Yukon suggest northern populations survived partly by ...

Doctors Saved This Rare Monkey from Amputation. Months Later, She Gave Birth

Sep. 7, 2026 A critically endangered roloway monkey has given birth just months after surgeons performed an unusual operation that saved her foot from amputation. ...

Scientists Discover a Bizarre “devil Flower” Hidden in Thailand

Sep. 3, 2026 Scientists have discovered a strange black “devil flower” in Thailand that lives mostly underground, steals nutrients from fungi, and looks strikingly unlike a typical plant. The newly named ...

Scientists Discover Why Snake Embryos Twist Into Spirals

Sep. 1, 2026 Snake embryos begin life curled into a distinctive right-handed spiral, and scientists may finally know why. Their bodies grow faster than their guts, creating a tether that forces the lengthening ...

Fossil Feet May Be Misleading Scientists About Human Evolution

Aug. 31, 2026 Wild monkeys in West Africa can climb vertical tree trunks using foot flexibility scientists did not realize they possessed. The discovery challenges a key assumption about what the last common ...

Chimpanzees Have Been Hurling Rocks at the Same Trees for More Than a Decade

Aug. 28, 2026 Some chimpanzees in West Africa repeatedly throw rocks at particular trees, creating piles of stones that can remain in use for more than a decade. ...

Scientists Tracked 4,500 Animals and Found a Surprising Human Effect

Aug. 28, 2026 Scientists tracking thousands of animals found that our physical presence can reshape where wildlife moves and lives, sometimes as strongly as roads, cities, and other human development. Because ...

This 23-Foot Crocodylian May Have Ruled South America’s Food Chain

Aug. 19, 2026 Miocene South America was packed with giant prey—and the predators hunting them were just as spectacular. Fossil bite marks suggest crocodylians, especially the enormous Purussaurus neivensis, were ...

A 236-Million-Year-Old Fossil Could Rewrite the Story of Mammalian Birth

Aug. 13, 2026 Scientists may have uncovered evidence that a mammal ancestor was giving birth to live young 236 million years ago. A fossilized cynodont showed a neonatal growth line and an unusually large birth ...

Dogs Can Tell Fear from Sadness — and Scientists Saw It in Their Brains

Aug. 11, 2026 Dogs may understand our emotions more deeply than scientists realized. Brain scans show that happy human faces activate regions in dogs linked to higher-level processing and reward, suggesting that ...

For 15,000 Years, Humans and Dogs Have Been Changing Each Other

Aug. 10, 2026 Dogs have been shaping—and being shaped by—humans for about 15,000 years, evolving from early partners of hunter-gatherers into an astonishing range of specialized companions. Across the globe, ...

Dinosaurs Became Giants — So Why Did They Never Become Tiny?

Aug. 9, 2026 Dinosaurs conquered the land at enormous sizes, but strangely, they almost never evolved into truly tiny animals. New research suggests that physiology alone can’t explain this missing miniature ...

Orcas Filmed Smashing Giant Sunfish Into Thousands of Pieces

July 23, 2026 Researchers in the Gulf of California have documented a dramatic orca behavior never described before. In two separate encounters, one orca gripped a dead sunfish by the fin while another charged ...

Great Ape Laughter Reveals a Hidden Origin of Human Speech

July 1, 2026 The rhythm of human laughter appears to have deep evolutionary roots shared with chimpanzees, bonobos, gorillas, and orangutans. That ancient pattern may offer one of the clearest clues yet to how ...

Scientists Finally Solved How H5N1 Bird Flu Hid in Dairy Cows

June 23, 2026 Researchers uncovered why H5N1 bird flu attacks cows’ udders instead of their lungs: the virus’s preferred receptors are concentrated in mammary tissue. The breakthrough could help scientists ...

Mountain Lions Changed Everything in This Tiny California Preserve

June 20, 2026 A surprising ecological makeover unfolded when mountain lions began frequenting a small preserve south of San Francisco. Deer activity dropped, plants recovered, and shifts among predators like ...

One Tiny Mutation May Explain How Bat Viruses Become Human Threats

June 23, 2026 Scientists found that one tiny genetic change can completely alter how a coronavirus behaves in different species. Comparing SARS-CoV-2 with a closely related bat-only virus, they showed that a ...

On the Brink of Extinction, the Vaquita Gets a Digital Lifeline

June 17, 2026 Scientists have digitally preserved the world’s most endangered marine mammal by creating highly detailed 3D models of a vaquita skeleton using advanced imaging technology. The virtual archive ...

New Study Explores Potential Cross-Species Spread of Chronic Wasting Disease

June 16, 2026 A new study found that chronic wasting disease can sometimes spread silently, with infectious prions present even in animals that show no symptoms. While there is no confirmed human risk, researchers ...

Scientists Mapped Every Neural Connection in a Fruit Fly and Found a Surprise

June 10, 2026 A groundbreaking new connectome maps every neural connection in an adult fruit fly’s central nervous system, creating an unprecedented view of how the brain and body work together. The findings ...

Why Sweden’s Wolverine Conservation Success Story Is Unraveling

June 1, 2026 A world-famous conservation program that helped save Sweden’s endangered wolverines is now struggling as funding stagnates and local trust erodes. Researchers say the decline offers a cautionary ...

This Blood-Feeding Fly Sacrifices Its Sight After Finding a Host

June 2, 2026 Deer keds rely on flight and vision to find a host, but everything changes once they land. After shedding their wings forever, these parasites reduce the activity of key vision-related genes by about ...

Tiny “sesame” Sea Slug Discovered in Taiwan Turns out to Be a New Species

May 27, 2026 A sea slug smaller than a sesame seed has turned up in Taiwan’s coastal waters — and it’s so tiny and unusual that scientists realized they had discovered a completely new species. Named ...

Deadly Fungus and Lung Parasites Are Hammering Wild Rattlesnakes

May 26, 2026 A sweeping new study of wild snakes in the southeastern US has revealed a hidden health crisis slithering beneath the surface. Researchers found that many snakes are carrying multiple infections at ...

Humpback Whale Breaks Migration Record With 15,000 Kilometer Ocean Journey

May 19, 2026 Scientists have uncovered an astonishing new chapter in humpback whale migration: two whales were found to have traveled between breeding grounds in Australia and Brazil, crossing more than 14,000 ...

Scientists Think They’ve Cracked the Mystery of Human Right-Handedness

May 18, 2026 A new study suggests humans became overwhelmingly right-handed because of two major evolutionary shifts: walking on two legs and developing much larger brains. Researchers found that as human ...

Giant Squid Discovery Uncovers a Hidden Deep-Sea World Off Australia

May 14, 2026 Scientists exploring deep underwater canyons off the coast of Western Australia uncovered a hidden world packed with bizarre and elusive marine life — including signs of the legendary giant squid. ...

Streetlights Are Trapping Thousands of Pill Bugs in Giant “death Spirals”

July 6, 2026 Researchers discovered that artificial streetlights can trap thousands of woodlice in mesmerizing circular "death spirals" never before seen in the wild. The surprising finding suggests ...