(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, ...

Discover how it works in bacterial cells and how it can be applied to other forms of life—including humans. This is video is an excerpt from "Human Nature".

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 ...

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 ...

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 ...

Researchers visit an ancient pyramid in Peru in NOVA's Ancient Builders of the Amazon. Image Credit: Federico Pardo for NOVA/GBH For 50 years, NOVA has taken viewers on adventures through time and ...

Split a mile in half, you get half a mile. Split the half mile, you get a quarter, and on and on, until you’ve carved out a length far smaller than the diameter of an atom. Can this slicing continue ...

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 ...

Receive emails about upcoming NOVA programs and related content, as well as featured reporting about current events through a science lens. The engineer whips out a protractor and straightedge. That’s ...

Ask a materials scientist to choose the strongest material, and you are likely to get a question instead of an answer. What kind of strong? Tensile strength? Toughness? Yield strength? Hardness? When ...

A sequel to one of the most popular NOVAs of all time, "Miracle of Life," this Emmy Award-winning program tracks human development from embryo to newborn using the extraordinary microimagery of ...

Colorful miniature figurines and a surfeit of plastic packaging fill the laptop screen as Chloe Warfford, 20, watches “Halloween Shopkins Unboxing,” a video by her favorite YouTuber, Bunny Meyer. For ...