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 ...

Before plants ruled, Earth may have glowed violet. The first life forms used retinal instead of chlorophyll, absorbing green light and reflecting red and blue—turning the planet an eerie purple.

Martian dust is mostly rust. Mars’s famed color has captivated humankind for centuries, earning its nickname of the ‘Red Planet’. Romans named Mars for their god of war because its colour was ...

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

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 ...

This Thursday night, for the first time in nearly two-and-a-half years, our planet's faithful companion is going to get fancy ...

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 ...

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.

Experts have claimed it could be the first time all planets including Earth have been captured in a single image.

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