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Animals

A chick hatches around 18 days after embryo transfer to the artificial egg, according to the company.

‘De-Extinction’ Company Says It Hatched Chicks From Artificial Eggs, Paving the Way for Resurrecting Dodos and Other Bygone Birds

Colossal Biosciences announced that 26 live baby chickens have emerged from 3D-printed honeycomb structures. But the company does not plan to detail the system in a paper, and its mission has faced criticism

Each by-the-wind sailor is made of a community of genetically identical organisms called "zooids" that perform different tasks.

Millions of Bright Blue Blobs Called ‘By-the-Wind Sailors’ Are Littering Beaches Along the West Coast

The strange creatures are washing up on shores across California, Oregon and Washington this spring—and making the coast smell especially fishy

Artist's reconstruction of newly described koala species. 

A Dimpled Koala Fossil Found in a Cave in Western Australia Revealed Why This Previously Unknown Species Went Extinct

The new study found that they lost their arboreal habitat due to a drying climate, a dire warning for the modern-day marsupials that face a similar threat

In laboratory experiments, house crickets groomed an antenna that had been touched by a hot soldering iron.

Can Insects Feel Pain? New Research Suggests That Crickets Do

Used for food, feed and research, the critters are among the most widely farmed bugs. The study authors say humans should work to reduce harm in insect farming, handling and experimentation

Researchers don't know what drives whale gaping in humpback whales, but the observations posted to social media can help them identify context clues.

Humpback Whales Sometimes Hold Their Mouths Open for No Clear Reason. Tourists Are Helping Scientists Understand the Rare Behavior

A trove of photos and videos gathered from social media has helped researchers propose a few possible reasons for the seldom documented action, called “gaping,” including communication, jaw stretching and play

This Socorro dove recently hatched at the San Diego Zoo Safari Park. Conservationists have been undertaking a decades-long effort to breed the extinct-in-the-wild species and one day reintroduce it to its native Socorro Island in Mexico.

New, Rare Dove Hatchlings Are a ‘Source of Hope’ for the Extinct-in-the-Wild Birds and a Step Forward in the Ambitious Project to Save Them

The Socorro dove has not been recorded in the wild since 1972, but that could change within only a few years, conservationists say, thanks to a long-term reintroduction effort

Remoras might dive into manta rays' rear ends when they're scared.

This Fish Hitches Rides in Manta Rays’ ‘Buttholes,’ According to New Research

Scientists suspect that the behavior could harm the manta rays, suggesting a complex relationship between remoras and their hosts that can sometimes be parasitic

One-celled algae called diatoms are unique because their cell walls are made of transparent silica, like glass, allowing their internal patterns to be visible. Diatoms are key producers of atmospheric oxygen and uphold the aquatic food chain.

See 17 Intricate Microscope Photographs That Make the Miniature World Immense. They Won the Evident Image of the Year Contest

The sixth annual competition showcases scientific microscopic imaging, illuminating tiny parts of nature, from individual cells to arthropods, diatoms and a zebrafish brain

To estimate the wolf population, researchers observed animals from planes, followed tracks on the ground and inspected kill sites this year.

Wolves Are Thriving at Michigan’s Isle Royale National Park, Reaching Their Highest Numbers in Almost 50 Years, New Data Suggests

Scientists estimate that 37 of the animals now roam the rugged archipelago, which has contributed to the dwindling moose population. But the predator-prey ratio might be stabilizing

An illustration of an Alston’s singing mouse from the 1882 publication Biologia Centrali-Americana: Mammalia

These Singing Mice Squeak Back and Forth—and Don’t Interrupt. Scientists Found the Brain Pathway Behind Their Impressive Songs

Alston’s singing mice carry out complex vocalizations and even appear to converse politely with one another. The neural circuitry that makes this possible is simpler than researchers expected

Two Alpine ibexes butt heads, slamming their horns together in a powerful battle that can be heard from far away. They wandered up the slope together afterward.

See 15 Stunning Images That Won the German Society for Nature Photography’s Annual Contest

From a lunging frog to the majestic movements of penguins, the honored photographs capture the wonder of wildlife and beauty of natural landscapes

Researchers studied social learning in the birds by introducing a novel food item: colorfully dyed almonds.

Wild Cockatoos Learn Which Snacks Are Safe to Eat by Copying Their Friends, New Research Suggests

Munching on the wrong items can lead to illness, but social learning might help the birds avoid making a potentially deadly mistake. The phenomenon could help explain why certain cockatoos have fared so well in urban environments

About 50 organisms have been named for David Attenborough or elements of his legacy, from an orchid to a marine worm to one of the earliest known predators.

David Attenborough Has Inspired Countless Scientists. To Mark His 100th Birthday, Here Are Ten Living Things They’ve Named After Him

Researchers around the planet grew up watching documentaries hosted by the English broadcaster and naturalist, which sparked their love of the natural world. Now, their discoveries become tributes to his legacy

Chonkers, a Steller sea lion, is much larger than his companions, California sea lions.

Chonkers the Massive Sea Lion Drew Crowds to San Francisco’s Famed Pier 39. Then, a New Chunky Showstopper Stole His Identity

The Steller sea lion was an unusual visitor to the pier, which typically hosts smaller California sea lions. However, he may have moved on days ago, during which time a humongous member of the area’s more common species tricked onlookers

The European green woodpecker was one of the most skittish birds observed.

Urban Birds Seem to Be More Fearful of Women Than of Men—and Scientists Don’t Know Why

The study examined 37 bird species in cities across five European countries. The animals allowed men to get about three feet closer than women, on average, before flying away

A bison herd on the American Prairie reserve in Montana roams at sunset on October 18, 2018.

The Bison Is America’s National Mammal. Here’s How Indigenous Tribes and Conservationists Aided Its Return to the Prairies After Near Extinction

The past, present and future of the giant bovine are front and center in a new exhibition as the country commemorates its 250th birthday

Members of the rescue team on a barge that later transported the whale to the North Sea

Timmy the Whale Was Released Into the North Sea After Being Stranded Off the German Coast for Weeks. Was That the Right Call?

The humpback whale first entered shallow water at the end of March, but its health deteriorated over the past few weeks. Experts have criticized efforts to rescue the animal, which may have done more harm than good

About 47 percent of wolves in Italy are considered wolf-dog hybrids, according to a recent genetic analysis.

Nearly Half of Italy’s Wolves Are Part Dog Now, Thanks to Hybridization. Is That a Threat to the Species?

Wolf-dog hybrids are growing far more common in Italy, raising scientists’ concerns for the future of the wolves

The MV Hondius, the cruise ship facing a hantavirus outbreak, anchored off the coast of Cape Verde, an archipelagic country near West Africa

A Deadly Outbreak of Hantavirus Has Stranded a Cruise Ship in the Atlantic Ocean. Here’s What to Know About the Rare Contagion

Three people associated with the vessel have died, and health officials have identified a total of two confirmed cases and five suspected cases of the infection. The virus usually spreads via contaminated rodent droppings

Cattle are a major driver of methane emissions.

Why Do Cows Burp Up So Much Planet-Warming Methane? A Newly Discovered Structure in Their Gut Microbes Could Be a Culprit

The “hydrogenobody” is an organelle inside certain microorganisms that live in a special stomach chamber in cattle, sheep and goats, according to a new study

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