April brings us Citizen Science Month and Earth Day—that means it’s the perfect time to get outside, explore nature, and even ...

Earth Day is on Tuesday, April 22, this year. The annual observation is set aside to increase awareness around environmental ...

Earth Day—which is on April 22, 2025—has come a long way since its beginnings in 1970! The celebration has spread globally, ...

A giant sequoia located in Sequoia National Park in California, the General Sherman is 52,500 feet in volume and is more than ...

NBC’s Brian Cheung joins TODAY to break down numbers and facts about the blue planet, including how it got its name and how ...