Earth's rotation on its axis is the fundamental reason for the cycle of day and night. As our planet spins, one side faces the Sun, experiencing dayli ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

Right now, as a passenger on planet Earth, you’re zooming through space at incredible speeds. But why can't you feel it?

Earth is not a still point in space, but a planet hurtling through the cosmos at incredible speeds. This video breaks down the complex layers of our motion: the 66,000 mph orbit around the sun, the ...

The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's ...

Inspired by a restored 19th-century clock, the piece features three subdials that keep track of time and distances.

Discover which planet is the fastest in the solar system. Learn why Mercury moves at 47 km/s, has the shortest year, and ...

We’ve probably all had a few conversations with people who hold eccentric scientific ideas, and most of the time they yield nothing more than frustration and perhaps a headache. In [Bertrand Selva]’s ...

The American Revolution came out on November 16, 2025, on PBS. It played for six nights in a row, from November 16 to November 21. Each episode was two hours long, from 8 PM to 10 PM ET. You can also ...

Can the Three Gorges Dam in China slow the Earth's rotation? The Three Gorges Dam is a hydroelectric gravity dam that spans the Yangtze River, in Central China. It is the world’s largest hydroelectric ...

Artificial intelligence might be the most transformative technology in generations. It is also the most joyless. While Wall Street greets AI with open arms, ordinary Americans respond with ambivalence ...

As America's 250th birthday approaches (with the grim reaper looming large), the distinguished documentarian's 12-hour series on our country's first — and, he argues, ongoing — revolution aims to ...