Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Although the Earth’s been decidedly blue for 600 million years, rising populations of phytoplankton caused by rising ...

This Earth Day, celebrate our planet and promote sustainability with printable Earth Day bookmarks to color. Whether you’re coloring them yourself, sharing them with others, or using them as ...

Imagine a world where the vast oceans glimmered not in deep blue, but in brilliant green. A time when Earth’s seas, ...

A distinctive blue and green image of Earth reveals our planet's most remarkable features. At 4.54 billion years old, our home world is a venerable object. But it was only with the arrival of the ...

Although the celestial body is located 140 million miles away from Earth, there’s ... and dusty planet. Its dust is the key to its iconic red color. Now, scientists say there’s more to the ...

Ferrihydrite, a water-rich iron mineral, plays an important role in giving the red planet its signature hue, according to the study.

Ready for a show? On the night of March 13 into the early hours of March 14, a total lunar eclipse will occur as the moon ...

The moon will appear a striking reddish color in a matter of weeks when a magnificent ... A lunar eclipse occurs when the ...

The planet’s red color comes from a water-containing mineral ... “But there are many types of rust on Earth, many different mineralogies of these rusts, and each specific flavor of this ...

Because of the color-changing phenomenon ... when any sunlight that's not blocked by our planet is filtered through a thick slice of Earth's atmosphere on its way to the lunar surface. "It’s as if all ...

Venus (true color & enhanced contrast ... the water vapor make clouds of sulfuric acid that shield the planet’s surface from Earth-based telescopes and also gives it a yellowish glow.