After centuries of effort by brilliant theorists, we’re left with a confusing mélange of unsatisfactory ...

Rainbows may be a trick of the eye, but they’re also based in fascinating optical physics. Here's how they work and why we ...

From the heart of Mesopotamia to the heights of the Roman Empire, ancient civilizations have left an indelible mark on the ...

Written by the former chief historian of NASA, the book examines the evolution of our cosmic understanding—from early civilizations to the present day ...

Carl Sagan explained the thought process of the ancient Greek scientist Eratosthenes, who determined the circumference of the Earth.

Stellar Stories Hera spacecraft launched The European Space Agency's Hxera spacecraft launched on October 7, initiating an ...

Displayed in a great hall in a building in downtown Rochester, a three-column work of stained glass—considered one of the finest in the country—depicts 2,000 years of medical history in 12 panels.

Alexander the Great is one of the legendary conquerors of ancient history who sparked the imagination of generations of ...

The replica, exhibited at the University of Sonora, measures more than three meters and is open to the public.

What Greece was first to Rome, then to the rest of the Mediterranean and European World,” argues Dalrymple, “so at this ...

Hello everyone and welcome to a great month for planet gazing since you’ll be able to see all five visible planets in your ...

Discover 10 travel experiences, from exotic expeditions to wellness retreats, offering adventures and cultural immersion for the ultimate gift for travelers.