By combining observations from space and experiments on Earth, scientists rethink the red planet's history and why it's red.

Have an out of this world coloring pages with our free planet coloring pages. We have a bonus space coloring pages, and free coloring sheets for the sun and moon as well!

Your blood is also red because of a mixture of iron and oxygen in a molecule called hemoglobin. So in a way, the ancient connection between the planet Mars and blood wasn’t completely wrong. Rust, ...

From the slate gray of Mercury to the ruddy brown of Pluto, the worlds in our solar system are a veritable rainbow of colors. But what makes them all look so different?

Fiery rose and peach sunset skies are a unique perk of our home on Earth. But what colors appear when the sun sets on other planets in the solar system?

Parade of planets to feature celestial bodies in alignment These are the planets that will be visible with the naked eye.

As teamLab Planets in Tokyo Welcomes Around 1 Million Visitors From Abroad in a 6-Month Period, the Immersive Museum Unveils the Renewal of Artwork Spaces ...

Space Don't look so blue, Neptune: Now astronomers know this planet's true color Neptune isn't as blue as people think, and astronomers have figured out why Uranus sometimes appears a tad greener.

Plants draw on a suite of pigments to produce energy from sunlight, and in the fall, some become more obvious than others.

A rare cosmic event will grace the night sky Friday. Astronomers are calling it a once-in-a-generation wonder as the next will not happen again until 2040.

Astronomers using a telescope in Arizona have discovered a Jupiter-sized exoplanet that has a density similar to that of a marshmallow.