Trace Your Ancient Human Ancestry with New Map By Jennifer Viegas The map reveals how extensively past interbreeding has affected people alive today.
Big-Brained Mammals at Greatest Risk of Extinction By Jennifer Viegas A big brain can be a liability instead of an asset for many mammals, finds new research that identifies a reversal of a 40-million-year-old trend.
Tidy Monkeys Shed Light on Human Cleanliness By Jennifer Viegas Monkeys that are revolted by often disease-carrying things such as poop suggest that disgust drives cleanliness - and health.
Dinosaur 'Romeo and Juliet' Found Buried Together By Jennifer Viegas A dinosaur couple that appears to have died together after wooing each other has been identified in remains unearthed at the Gobi Desert in Mongolia.
Why Black Widow Spider Venom Is So Potent By Jennifer Viegas Black widow spiders have rapidly evolved super lethal venom, such that the spiders are now building stronger webs to handle ever-bigger prey.
North Pole's Reindeer Population Plummets By Jennifer Viegas Inbreeding, poaching, a lack of herders and climate change are contributing to the iconic animal's decline.
Why Dried Whiskey Under Microscope Looks Like Art By Jennifer Viegas Dried whiskey looks like fine art when magnified thanks to its chemical composition and a cool aspect of fluid dynamics known as the Marangoni Effect.
How Wolf Packs Organize to Kill By Jennifer Viegas Wolf packs, like people, organize themselves for maximum success, only the goal in the case of wolf hunting packs is to kill for survival.
The Real Reason Zebras Have Stripes By Jennifer Viegas Zebra stripes turn out to have a surprising function.
Ants Build Raft to Escape Flood, Protect Queen By Jennifer Viegas Resourceful ants know what to do during a flood: They build a raft and stick the queen right in the middle of it.
Captive Shark Ray Gives Birth to Septuplets By Jennifer Viegas Sweet Pea, a shark ray, just gave birth to seven pups, making her the first shark ray in captivity to successfully give birth.
Gender-Bending Bird Breaks Migration Record By Jennifer Viegas A bird known for its gender-bending ways has yet again surprised researchers by breaking Europe's bird migration record.
The Dog Paddle Is Just an Underwater Jog By Jennifer Viegas The 'dog paddle' closely resembles how pups trot on land, new research shows.
First South Americans Ate Giant Sloths By Jennifer Viegas Giant sloths were on the menu for humans that arrived in the Americas 30,000 years ago, a new study suggests.
Grab-and-Go Beetle Hoards Poo and Gallops By Jennifer Viegas A dung beetle in Africa has traded flight for galloping, picking up dried feces along the way.
Women 'Smell' Their Competition By Jennifer Viegas Just a whiff of a woman close to ovulation is enough to stimulate another woman's testosterone levels.
How Turtles Got Their Shells By Jennifer Viegas Turtle shells evolved before dinosaurs roamed the earth.
First Love Child of Human, Neanderthal Found By Jennifer Viegas A neanderthal skeleton unearthed in Italy shows interbreeding with humans, the first such known hybrid.
1st African American Man Dates Back 338,000 Years By Jennifer Viegas A miniscule bit of DNA from an African American man now living in South Carolina has been traced back 338,000 years.
Penguins Wear a Shield of Cold Air in Winter By Jennifer Viegas Emperor penguins gain body heat using convection from the surrounding air.
Viruses Pass Major Test to Enter Ranks of Living By Jennifer Viegas Viruses with their own immune systems can kill bacteria, and could be key in fighting superbugs.
Cats Take on Owners' Habits (Good and Bad) By Jennifer Viegas Cat starting to copy your habits? Don't be alarmed ...
Christmas Bird Count Underway By Jennifer Viegas The 113th annual Christmas Bird Count is now underway! Join in!
Dinosaur with Giant Nose Discovered By Jennifer Viegas With its oversized schnauzer, this newly identified dino likely had an impressive sense of smell.
Tofu May Improve Your Sex Life By Jennifer Viegas People who consume tofu and other plant-based foods might enjoy a better sex life than meat-eaters.