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

It’s hard to believe, but YouTube is celebrating its 20th anniversary. What started with a simple 19-second clip has exploded ...

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

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

Mars, the fourth planet from the sun, is a dry, rocky world. Its famous red color has earned it the nickname the Red Planet. Mars has fascinated people throughout history, and today, it is one of ...