A college student in a gas mask "smells" a magnolia blossom during the first Earth Day on April 22, 1970 in New York City. Credit - AP More than 8 billion people inhabit Earth, and soon a springtime ...

This year marks the 55th anniversary of Earth Day! Every year on April 22, people worldwide mobilize to address some of the most urgent threats facing our environment, from climate change to ...

Fact of the Day: In today’s series of daily facts, we will discuss and explore the Earth, a planet formed by water, rock, air, and time. Earth is not one of the largest planets in our solar system, ...

Old Rocks 7 billion years ago during the Precambrian Era. 0 billion years old, making them among the oldest rocks found in the United States. 6 billion years ago, massive volumes of magma pushed into ...

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 ...

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Explore rare lunar eclipse facts, syzygy science, Blood Moon mysteries, history, and stunning celestial phenomena.