(This program is no longer available for online streaming.) Apollo astronauts and engineers tell the inside story of Apollo 8, the first crewed mission to the moon. The U.S. space program suffered a ...

How big is the universe? If it began with the Big Bang, will it also have an end? Is there life beyond our planet? Questions like these inspired the launch of Voyager I in 1977 and have driven ...

Over 2,700 years ago, the Assyrians exiled the ten tribes of the Kingdom of Israel. The ten tribes would have returned at once to the Holy Land had not the Lord encircled them with the legendary river ...

Archimedes of Syracuse was one of the greatest mathematicians in history. He was also a great inventor and scientist. Most of what we know about Archimedes today comes from his writings and those of ...

When we look at the world at the tiniest scales in the subatomic realm, things get weird – very weird. Welcome to the quantum universe, where particles can spin in two directions at once, observing ...

(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, ...

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 ...

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, ...

People have turned to science for answers on the question of violence and video games. For now, though, there are no answers, at least not of the quantitative, immediately useful variety. Some ...

In November of 1978, an observer in a Boston institution hurriedly scrawled down a short note that, unbeknownst to them, would eventually send waves through the research field of language development.

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 ...