At the end of the 1600s, Newton proposed the universal law of gravitation: that every particle attracts every other particle ...

An astronaut on the International Space Station captured mysterious blue spheres in the sky last year. NASA's Earth Observatory shared the photo last year, as well, shortly after it was taken. The ...

Earth's mass took hundreds of years to estimate, and even now, experts don't agree on the exact number. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

We may receive a commission on purchases made from links. All of our planet's energy — whether it's gained from food, fossil fuels, or renewable sources — ultimately comes from the sun. Solar ...

During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...

CD Projekt Red’s The Witcher trilogy introduced many fans to the franchise, but with the Netflix show adapting the original books, some of the stranger aspects of the setting that the games avoided ...

Over the past two weeks, I have circumnavigated the globe by land, air and sea. The reason? A kitchen sink–sized chunk of interstellar material that my colleagues and I believe collided with the Earth ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...