The 50-plus-year-old spacecraft has been trapped in Earth orbit for decades. Now, it’s expected to fall back home.

Her drawing of the Earth humanized the globe with a pair of pensive eyes. Winning elementary and middle school students get a $10,000 donation for their school’s art program and tickets for ...

Earth Day is celebrated on April 22 each year, promoting environmental protection and awareness since 1970.

The world of Saturn, with its wonderful rings, is about nine and a half times farther from the sun than the earth is—namely, 909,000,000 miles; and, seen from it, the earth is, at the best ...

WASHINGTON — Millions of people around the world on Tuesday are celebrating Earth Day, an annual event founded by people who hoped to stir activism to clean up and preserve a planet that is now ...