Animals
Giant, Slow-Moving Sharks Are Secretly Everywhere
We know very little about Greenland sharks, including the extent of their range, but what we do know is intriguing
Why Some Mammals Kill Babies of Their Own Kind
Male mammals that commit infanticide developed the behavior in response to their species' mating style
What the Heck Are Wallabies Doing in Ireland?
Normally spotted in Australia, the marsupial species is thriving on a remote island off the Irish coast
A Single Smelly Compound Sparks Carnivores' Lust for Blood
When given scented wooden blocks soaked in this single chemical, captive carnivores go wild
How Cats Transformed From Wild Animals to Cuddly Companions
Genetically, there's not that much separating feline pets from jungle beasts
Ocean Dead Zones Are Getting Worse Globally Due to Climate Change
Warmer waters and other factors will cause nearly all areas of low oxygen to grow by the end of the century
Arctic Squirrels Use Steroids to Bulk Up But Don’t Suffer the Consequences
Fat alone couldn’t get these squirrels through hibernation in burrows that get almost as chilly as -10 degrees Fahrenheit
On Summer Nights, Some Bats Like to Jam
Mexican free-tailed bats “jam” each others’ echolocation calls to discombobulate competitors
A Lone Gray Wolf May Have Wandered Into the Grand Canyon
Officials haven’t confirmed whether the canine is a full-blooded gray wolf, but wolf advocates are pretty convinced
Humans Outnumber Rats in NYC
There's actually about one rat for every four people
Big Moon Jelly Blooms Tied to New Dock Construction
A floating pier installed off Japan led to a four-fold increase in baby jellies, offering a solid link between structures and blooms
A Horse Racing Favorite Died Minutes After Completing the Melbourne Cup
Admire Rakti wasn't even the only horse to die at the races
Fanged Deer Not Extinct, Still Roaming the Mountains of Afghanistan
The Kashmir musk deer was last spotted in 1948 but now researchers report five recent sightings
Rovers Disguised as Baby Penguins Can Quietly Infiltrate Penguin Colonies
Normally wary penguins seem unfazed when there's a smartly dressed robot in their midst
Australia’s Koalas Have Chlamydia, But a New Vaccine Could Save Them
The sexually transmitted disease threatens the health of one of Australia’s iconic marsupials
New Leopard Frog Found in New York City
The unique species, discovered near the Statue of Liberty, is the first amphibian found in the region in 150 years
Giant Tortoises Have Made a Comeback From 15 to 1,000
Española giant tortoises have been reintroduced to Galapagos National Park and are breeding on their own
We're Terrible at Distinguishing Real And Fake Schools of Fish
You can test your fish school savviness in a free online game created by scientists
Five “Real” Sea Monsters Brought to Life by Early Naturalists
From kraken to mermaids, some monsters are real—if you know how to look for them
A Zoo Python Had Six Babies in a "Virgin Birth"
The 20-foot-long reptile hadn't had a chance to meet a mate, but she still laid 61 eggs
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