Biology
Voters Crown the 'World's Ugliest Animal' as New Zealand's Fish of the Year
The blobfish is specially adapted to life in the deep ocean, but it looks like a shapeless blob when brought to the surface. It beat out the other candidates with its "unconventional beauty"
Iguanas Floated a Whopping 5,000 Miles From North America to Fiji on Rafts of Plants in a Record-Setting Trip, Study Suggests
Since most iguana species live in the Americas, biologists have long debated how they could have arrived on the remote Pacific island in the first place
Cougar Cubs Spotted in Michigan for the First Time in More Than a Century
Two kittens, believed to be between 7 and 9 weeks old, were photographed by a motorist in the western Upper Peninsula
Scientists Uncover a Frozen History in 6,000 Years' Worth of Penguin Poop, Revealing Past Ecology on Antarctica
Sediment samples from the Ross Sea coastline are revealing insights into how animals like elephant seals and Adélie penguins adapted to environmental changes long ago
These Male Octopuses Use Venom to Subdue Female Mates—and Avoid Being Eaten After Sex
Scientists observed male blue-lined octopuses injecting tetrodotoxin into females, which rendered them immobile for mating
Megalodon Might Have Been Longer and Skinnier Than Previously Thought, Growing Up to 80 Feet
A new paper suggests the enormous, extinct shark looked less like a bulky great white and more like an elongated lemon shark
U.S. Butterflies Are Disappearing at Drastic Rates, With One in Five Gone Since 2000
A new study finds the popular, fluttering insects have declined by 22 percent in the last 20 years
These Bird Nests Are Full of Trash, Including Some That's 30 Years Old
Scientists studying Eurasian coots in Amsterdam found layers of decades-old garbage in their urban nests
Greenland Sharks Can Live for 400 Years. Scientists Are Using DNA to Unravel Their Longevity Secrets
These large, mysterious creatures are the longest-living vertebrates on the planet—and their genomes could contain clues to how they prevent cancer and reach such an advanced age
Biotech Company Creates 'Woolly Mouse' as a Step in Its Quest to Resurrect Woolly Mammoths Through Gene Editing
Colossal Biosciences leaders say the fluffy, golden-haired mice help validate their technique to “de-extinct” species, but outside scientists remain skeptical
Is the ISS Too Clean for Astronauts’ Health? New Study Finds the Space Station Lacks Microbial Diversity
Humans have evolved alongside microbes in Earth's environment that help strengthen our immune systems. But sterile living conditions can reduce that beneficial exposure
Chinook Salmon Are Swimming in This California River for the First Time in More Than 80 Years
The juvenile fish recently hatched from eggs that scientists deposited in the gravelly riverbed of the North Yuba River last fall
Biologist Spots Rare, Flightless Grasshopper in Virginia for the First Time in Nearly 80 Years
The last time anyone in the state had officially documented the Appalachian grasshopper was in 1946, and the species was once thought to be extinct
Crocodiles in Australia Are Shifting Their Behavior Because of Climate Change, and It Might Harm Their Ability to Hunt
A new study finds that as temperatures rise, the animals are getting hotter, spending less time diving and putting more effort into cooling off
Meet the 'Wooly Devil,' the First New Plant Genus Discovered in a National Park Since 1976
A volunteer spotted the tiny, fuzzy plant with maroon florets while exploring the remote northern corner of Big Bend National Park in Texas
Researchers Use A.I. to Find an Elusive and 'Odd' Australian Bird. It Hadn't Been Recorded in the Area Since 1989
Once abundant throughout southeastern Australia, the critically endangered plains-wanderer is now on the brink of extinction
Lost Baby Seal Found Wandering in Downtown New Haven Has Been Rescued—and Attained Local Fame
The juvenile gray seal recently weaned off his mother's milk and ventured five miles into the coastal Connecticut city
Intelligent Life May Be More Likely to Exist on Other Planets Than Previously Thought, Scientists Say
Researchers present an alternative to the long-held “hard steps” theory to explain the evolution of complex life, suggesting it’s the natural outcome of a habitable environment rather than a lucky break
Wild Fish Can Tell Human Divers Apart Based on Their Outfits, Study Suggests
Using visual cues, including colors on wetsuits, seabream in the Mediterranean learned to identify researchers that would feed them
Scientists Find the Heaviest Florida Panther on Record, a Giant Cat Tipping the Scales at 166 Pounds
Wildlife officials in Florida captured and collared the adult male feline during a routine population check in late January
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