Planet X and Planet Nine are planets that have, at one time or another, been thought to exist in our Solar System. Both were theorized to explain orbital…
The Moon is shrinking in both actual volume and its apparent size from Earth’s perspective. We explain how scientists know this, why it happens, and how…
Hosting a solar eclipse-watching party is a fantastic way to share one of nature’s most awe-inspiring events with your friends and family. Here’s a guide…