Quick facts about Earth. How big it is: 7,926 miles (12,760 kilometers) wide How old it is: 4.5 billion years How fast it moves around the sun: 67,100 mph (30 km per second) Earth is our home ...

25 Earth Day facts that aren't common knowledge Learn more about Big Blue with these fun facts and interesting trivia about our planet. Updated March 19, 2025, 5:06 PM EDT ...

Earth's circumference is 24,901 miles (40,075 km), making it the largest rocky planet in the solar system. Our planet orbits 93 million miles (150,000 km) away from the sun.

In honor of Earth Day, here are 25 facts about the history of our celebration of Mother Earth, as well as facts about the environment that may serve as a wake-up call for action.

Earth Facts That Might Surprise You. Posted: February 22, 2025 | Last updated: March 8, 2025 "An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes ...

Facts Earth Day is celebrated every April 22, but some events take place on the weekends before or after the 22nd. It was created in the United States to increase public awareness of ...

Earth Day was founded in 1970 and has only gotten bigger since then. Here are five facts about the history of Earth Day to better appreciate the activism that brought it to life.

Earth's atmosphere extends from the surface to a height of around 10,000 km [6,213 miles]. Most of the air mass is confined to the lower part of the atmosphere and the higher the thinner of the air.

From not-so-humble beginnings in 1970, Earth Day has grown into a global tradition. Find out when it is, how it started, how it's evolved, and what you can do.