Twelve people have landed on the moon As of 2025, only twelve people have ever set foot on the moon—all of them American astronauts from NASA’s Apollo missions between 1969 and 1972. It took six ...

From extreme climates to peculiar creatures, here are some top facts about Earth.

Discover interesting facts about how Earth formed, what it's made of and more.

The founder of Earth Day was Senator Gaylord Nelson, who was inspired to create the global observance after one of the worst ecological disasters in U.S. history.

5 Interesting Facts About Water Life on Earth wouldn’t exist without it. But how much do you know about water, anyway? Here are some interesting facts about water you need to know.

For the Northern Hemisphere, it's rather interesting that Perihelion, when the Earth is closest to the Sun, happens during winter, while Aphelion happens in the summer.