I’ve always considered the moniker “Red Planet” as an oversimplification. Mars clearly looks more ochre than crimson up close ...

Atmospheric characterization of directly imaged planets has thus far been limited to ground-based observations of young, self-luminous, Jovian planets. Near-term space- and ground- based facilities ...

During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show that the stars and planets are made of the same elements found here on Earth.

My favorite planet is Earth. I can’t help it. It’s my cozy home. It’s also a brilliant blue with bits of brown and swirly white. I like that I can look at a photo of Earth and see familiar things – ...

Call it the deep blue dot. For the first time, scientists have seen the visible color of a distant alien world. The exoplanet — called HD 189733b — is 63 light-years from Earth and a "deep cobalt blue ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert ...