Carl Sagan honors ancient Greek thinkers who proved Earth is round using logic, shadows, and math. From Aristotle’s observations to Eratosthenes’ calculations, their insights shaped modern science.

Star-bathing is about disconnecting from the online world and getting out under the stars. Here are some of Australia’s best ...

What are the largest shapes in the Universe? The answer might be found in the most unassuming places here on Earth ...

What could we choose as the seven most remarkable celestial objects visible either with our eyes or with a small telescope?

Nestled in the gently rolling hills of south-central Ohio, Chillicothe (pronounced chill-ih-COTH-ee, and yes, it’s fun to say) sits about an hour south of Columbus. The name comes from the Shawnee ...

Yet the beach was not all bad for the Greeks. Because the beach acted as a bridge between sea and land, the Greeks thought ...

Ancient Greek thinker Archytas built one of the first flying machines long before Leonardo da Vinci sketched his own and drones soared.

Beneath a public square in Athens lies an engineering marvel that has been dormant for centuries. A part of it passes under a ...

A software model from Google DeepMind put a more precise date on an important Latin text credited to a Roman emperor as a ...

A team from Google DeepMind and several universities introduces Aeneas, a generative (and free) AI model designed to help ...

Find out how much you know about American history, ancient times and world events with these easy and hard history facts.

Constellations are funny things, and beginner stargazers have so many misconceptions about them. Some novices believe that constellations are fanciful ...