There's so much to celebrate in the month of April. The fourth month of the calendar year ushers in warm weather, tulips and Earth Day, the global celebration of our planet and all its splendor. The ...

The planet is almost 25,000 miles around and 4.54 billion years old, and humans are still discovering some of the amazing secrets it's hiding.

Explore mind-bending revelations in "25 Astonishing Facts About The Earth That Will Confuse You." Unveil secrets from explosive lakes to the magnetic field flip, and discover the wonders shaping our ...

Earth Day started in the 1970s. Here’s an Earth Day fact everyone should know: Earth Day was first observed on April 22, 1970, followed in 1972 by World Environment Day. It has ...

The Smithsonian partners with NASA to present the Earth Information Center, a larger-than-life display that visualizes interconnected changes on the planet Jack Tamisiea The museum's newest exhibition ...

Earth Day is one of the most popular and widespread nonreligious holidays in the world. Although the event was primarily based in the United States, by 2009 the coordinators for Earth Day helped gain ...

Observed annually on April 22, Earth Day aims to raise environmental awareness and inspire global action. It highlights key ...

Ah, Earth. We may not think about our planet on a day-to-day basis, but the world we live in is a pretty interesting place. The third rock from the Sun—and to this day, the only one with known ...

JACKIE. YEAH. GOOD AFTERNOON. IT’S A REALLY NICE DAY OUT HERE. OF COURSE, WE’VE GOT THE SUN SHINING ON THIS EARTH DAY. A LITTLE BREEZY, SO MY HAIR HAS BEEN KIND OF GOING HERE. THERE AND EVERYWHERE. A ...

For the entire duration of human existence, we have been trying to make sense of the planet we have been living on, called Earth. Humans have come quite far in understanding the small blue planet we ...

NASA Administrator Bill Nelson shows off the Earth Information Center during a ribbon cutting ceremony June 21. Credit: NASA/Joel Kowsky WASHINGTON — NASA inaugurated a public center designed to ...