News tagged with earth

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New study finds oceans arrived early to Earth

Earth is known as the Blue Planet because of its oceans, which cover more than 70 percent of the planet's surface and are home to the world's greatest diversity of life. While water is essential for life ...

Oct 30, 2014
4.5 / 5 (27) 25

What is Mars made of?

For thousands of years, human beings have stared up at the sky and wondered about the Red Planet. Easily seen from Earth with the naked eye, ancient astronomers have charted its course across the heavens ...

Feb 26, 2015
4.9 / 5 (22) 2

A full day on Pluto-Charon

This time-lapse "movie" of Pluto and its largest moon, Charon, was recently shot at record-setting distances with the Long-Range Reconnaissance Imager (LORRI) on NASA's New Horizons spacecraft. The movie ...

Feb 13, 2015
4.8 / 5 (19) 1