Here's your chance to crack ciphers similar to those Bletchley Park's codebreakers faced during World War II. Below, we present three ciphers of different levels of difficulty, from easiest to most ...

NOVA Labs: Most of what we know about solar science comes from reading the Sun's light.

An electrical engineer works on Form Energy's 2022 battery module in the company's lab in Berkeley, California. Image courtesy of Form Energy Share Weirton, West Virginia has iron in its blood. The ...

(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, ...

They haven't got no noses, The fallen sons of Eve; Even the smell of roses Is not what they supposes; But more than mind discloses And more than men believe. —from "The Song of the Quoodle," G.K.

Elephants die; we all do. In elephants and some others, it matters who has died. It’s why they are “who” animals. The crucial importance of memory, learning, and leadership in a family’s survival is ...

The planet looks blue from space, but new research shows that most of Earth's water may actually be deep underground. Share Earth is a jewel of the solar system, painted blue by the vast oceans that ...

When the Hunga Tonga-Hunga Ha’apai volcano erupted under the waters of the Pacific Ocean on January 15, its roar was heard nearly 6,000 miles away in Alaska. Satellites captured not only huge clouds ...

What if the fundamental “stuff” of the universe isn’t matter or energy, but information? That’s the idea some theorists are pursuing as they search for ever-more elegant and concise descriptions of ...

In a contest for the least contentious statement a person can make, “What goes up must come down” is surely a strong contender. Of the four known fundamental forces—gravity, the electromagnetic force, ...

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 ...

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, ...