How a medieval Oxford friar used light and color to find out what stars and planets are made of ...

What exactly was it that the monks saw that night in the sky in 1178? Could it have been the impact of an asteroid hitting ...

A fringe historical theory claims we’re actually living in the 1700s, arguing that nearly 300 years of early medieval history ...

While scholars like Copernicus undoubtedly learned from the Islamic world, this was a two-way street, stressed Morrison.

David Musgrove reports on new research that casts light on the appearance of the comet in the 11th century, and its depiction in the Bayeux Tapestry ...

Explore unbelievable space facts in this video, which covers topics such as the potential impact of the Moon colliding with Earth, the Golden Record, and the scariest astronaut picture. Discover ...

Astronomers, ecologists, and other scientists from around the world submitted mind-bending images representing their fields.

For five short December days each year, sunlight pierces the heart of Newgrange, a 5,200-year-old tomb whose perfect ...

From grand halls to gold book covers, step inside these enchanting libraries across the globe, located inside UNESCO heritage ...

The Divine Comedy, the poet’s tour of the Christian afterlife, is filled with strikingly modern touches—and a poetic energy ...

Tariffs delivered a big blow to Canada’s economy this year, but they would be less of a problem if Canada weren’t squandering billions of dollars on Net Zero, which will not stop climate change. Prime ...