A planet's appearance is determined by its composition and atmospheric conditions. Inner planets are rocky due to the Sun's heat, while outer planets contain more gas. Atmospheric gases and surface ...

Scientists have identified, at this point, more than 900 exoplanets -- planets that exist outside our solar system, orbiting other stars. We know those planets are out there; but we know that, in ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers hunting for Earth-likealien worlds couldimprove their odds by zeroing in on planets ...

Many Moon photos are actually color images! Unfortunately, unlike the planets, the Moon’s surface has no brightly colored areas. Most of its color is a mix of dark browns, grays, or black.

Astronomers hunting for Earth-like alien worlds could improve their odds by zeroing in on planets that look blue from afar, just like Earth, a new study suggests. Researchers have devised a simple way ...