(This program is no longer streaming). Sixty-six million years ago, an asteroid wiped out the dinosaurs in a fiery global catastrophe. But we know little about how their successors, the mammals, ...

Two to 3 million years ago, humans lost the use of a gene called CMAH. Around the same time, our species seemed to have developed an increased capacity for endurance running. ByBrittany Flaherty ...

(Image 2) In this interactive feature, let vintage aircraft expert Dan Taylor guide you on an audio tour of a Demoiselle #20 replica owned by Old Rhinebeck Aerodrome, a museum of antique aviation.

In southern New Mexico lies the Tularosa Basin, an oblong bowl that’s home to a natural sandbox: White Sands National Park. In 2005, David Bustos came to White Sands to work as a National Park Service ...

Chris Mazurek was a freshman in college when he had a dream that he was inside the Legends of Zelda video game. He saw himself as the main protagonist, Link, in third person. Suddenly, beeping noises ...

After a U.S. Supreme Court ruling, DNA databases are set to expand. How will the decision affect your privacy? Certain information encoded in DNA, seen here in an x-ray data visualization, is being ...

At the 1998 Winter Olympics in Nagano, Japan, snowboarding made its debut as an Olympic sport. No longer relegated to the fringes, snowboarders took to the snow-capped peaks of Mount Yakebitai, and 26 ...

For more than three centuries, a plague of unshakable lethargy blanketed the American South. It began with “ground itch,” a prickly tingling in the tender webs between the toes, which was soon ...

Fifteen years ago or so, when Helen Sang , a geneticist at the Roslin Institute in Edinburgh, and her colleagues wanted to get a gene into a chicken, the process was anything but fast. They would ...

Kaden Bowen is a smiley 12-year-old who loves music and riding in fast cars. He also can’t walk or talk, is legally blind, and can only use the pinky finger on his left hand. Kaden has cerebral palsy, ...

Runes are the characters of the alphabet used by the Vikings and other Germanic peoples from about the second to the 15th centuries A.D. Some runes vaguely resemble letters in our own alphabet; others ...

Once you’ve seen a slime mold—its gooey, delicately branching structure oozing in a vaguely unsettling way along a log or leaf—you’re unlikely to forget it. They’re unmistakable because there’s ...