Summer in the northern hemisphere and winter in the southern hemisphere are both coming to an end. That means the days and nights are becoming roughly equal in length, and the path the Sun traces ...

When exactly is the first day of spring? If you notice meteorologists celebrating the new season a bit early, there's a reason for it, but it doesn't mean the start of spring is officially here.

Twice a year, the sun doesn’t play favorites. Everyone on Earth is seemingly on equal status – at least when it comes to the amount of light and dark that they get. On Monday, we enter our second and ...

Each year on April 22, people around the globe come together to honor and conserve their shared home: Earth. Known as Earth Day, the holiday got its start in the United States in 1970 as a teach-in on ...