Mammals News

July 23, 2026

Top Headlines

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 ...

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 that light ...

Mountain Lions Changed Everything in This Tiny California Preserve

June 27, 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 coyotes, bobcats, and foxes followed. The study shows ...

A “Ghost” Great White Shark Just Reignited a 160-year Mediterranean Mystery

June 26, 2026 The capture of a juvenile great white shark in Spain has provided fresh evidence that the Mediterranean's elusive "ghost" population of great whites still survives. Researchers reviewing 160 years of ...

“Absolutely Huge” 400-year-old Black Coral Stuns Scientists in New Zealand

June 25, 2026 A giant black coral estimated to be 300–400 years old has been discovered deep in Fiordland, New Zealand, astonishing researchers with its enormous size—about 4 meters tall and 4.5 meters wide. ...

Why South Africa’s Leopards Shrank to Half Their Normal Size

June 24, 2026 A hidden population of South African leopards has revealed a remarkable evolutionary story. Researchers analyzing entire leopard genomes discovered that the Cape Floristic Region’s leopards are not only much smaller than most African leopards, but ...

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 single amino-acid difference affects whether the immune ...

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 predict future bird flu jumps and spot unusual ...

Latest Headlines

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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 ...

Why Have Humans Collected Crystals for 780,000 Years? Chimpanzees May Hold the Answer

July 14, 2026 Chimpanzees showed a remarkable attraction to crystals, choosing them over ordinary stones and studying them with intense curiosity. The results ...

This Dinosaur Fossil Captures the Final Moments of a T. Rex Attack

July 14, 2026 A fossilized Edmontosaurus skull with a Tyrannosaurus tooth still embedded in its face has given scientists rare evidence of a dramatic predator-prey encounter. The discovery suggests the giant ...

5,000-Year-Old Wolves Found on Remote Island Rewrite What We Know About Domestication

July 5, 2026 Scientists discovered ancient wolves on a tiny Baltic island where they could only have been brought by humans, suggesting an unexpectedly close ...

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 ...

Teeth Smaller Than a Fingertip Reveal Our First Primate Ancestor

June 30, 2026 Tiny, tooth-sized fossils have just reshaped the story of our deepest ancestry. Paleontologists have discovered the southernmost remains ever found of Purgatorius—the earliest-known relative of all ...

The First Primates May Have Evolved in the Cold, Not the Tropics

June 20, 2026 A surprising new study suggests the earliest primates didn't originate in tropical forests but in cold, dry parts of North America. Some may have even survived seasonal Arctic conditions by slowing ...

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. ...

Yellowstone Wolves May Not Have Reshaped the National Park After All

June 14, 2026 One of the most celebrated claims about Yellowstone’s wolves is facing a major challenge. Scientists say the study behind the famous trophic cascade story relied on flawed methods that overstated ...

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. ...

Deep Diving Fur Seals Experience Delayed Heart Surges After Returning to Land

May 9, 2026 Fur seals may look like they’re simply resting after exhausting hunting trips at sea, but their bodies are secretly working overtime. Scientists discovered that hours after returning to land, the ...

This Tiny Mammal Survived the Dinosaur Apocalypse and Changed Life on Earth

Apr. 27, 2026 A newly discovered prehistoric mammal may hold clues to how life survived the dinosaur-killing extinction. The tiny species, Cimolodon desosai, lived 75 million years ago and had traits—like a ...

DNA Reveals a Hidden Pitviper Species in China

Apr. 22, 2026 A vivid green pitviper hiding in Sichuan’s misty mountains has been revealed as a completely new species. Scientists had overlooked it for decades, assuming it was a common snake—until DNA ...

Gray Whales Are Entering San Francisco Bay and Many Aren’t Surviving

Apr. 13, 2026 Gray whales are beginning to break their long-established migration patterns, venturing into risky new territory like San Francisco Bay as climate change disrupts their Arctic food supply. But this ...

Mammal Ancestors Laid Eggs, and This 250-Million-Year-Old Fossil Finally Proves It

Apr. 14, 2026 In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: Lystrosaurus. Now, a stunning fossil discovery—an ancient egg containing ...

Dragonflies Can See a Color Humans Can’t and It Could Change Medicine

Apr. 9, 2026 Dragonflies may see the world in a way that pushes beyond human limits—and surprisingly, they do it using the same molecular trick we evolved ourselves. Scientists discovered that these insects can ...

The Deadly Tapeworm Spreading Across America Has Reached the Pacific Northwest

June 11, 2026 A potentially dangerous tapeworm linked to severe, cancer-like disease has now been found in the Pacific Northwest, marking its first detection in wild animals along the U.S. West Coast. Researchers ...

Freshwater Fish Populations Plunge 81% as River Migrations Collapse

Mar. 26, 2026 A sweeping global report finds that migratory freshwater fish are in steep decline, with populations down roughly 81% since 1970. These species depend on long, connected rivers, but dams and human ...

Scientists Found a Bug That Generates Its Own Heat in Freezing Cold

Mar. 26, 2026 Snow flies have an unexpected way of surviving freezing temperatures. They produce antifreeze proteins to block ice formation and can even generate their own heat. Scientists also found that their ...

Scientists Just Discovered Bees and Hummingbirds Are Drinking Alcohol

Mar. 25, 2026 Flower nectar often contains small amounts of alcohol, meaning pollinators like hummingbirds are drinking it all day long. Despite consuming human-equivalent amounts, they show no signs of ...

Sperm Whales Caught Headbutting Each Other on Camera for the First Time

Mar. 23, 2026 Drone footage has revealed sperm whales headbutting each other—something scientists had only speculated about until now. Surprisingly, it’s younger whales doing it, not the giant males ...

Beavers Are Turning Rivers Into Powerful Carbon Sinks

Mar. 22, 2026 Beavers may be unlikely climate heroes, but new research suggests they could play a powerful role in fighting climate change. By building dams and transforming streams into wetlands, these ...