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 ...

Here's how your brain might adjust to see color on another world. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The human brain is remarkably ...

Out in the depths of the solar system lie the far-off ice giant planets. Uranus and Neptune are extremely far away at 20 and 30 times farther from the sun than the Earth is, according to NASA, and ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Fiery rose and peach sunset skies are a unique perk of our home on Earth. But what colors appear ...

In 1990, Voyager 1 captured the most distant portrait of our planet ever taken, revealing that from beyond Pluto's orbit, Earth appears as nothing more than a "pale blue dot." In a new study, ...

In 1989, Voyager 2 became the first and only spacecraft to ever fly by Neptune, and images from that mission famously show a planet that's a deep azure color. But in reality, Neptune is far more of a ...

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 ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. I spent last week at he annual meeting of theAmerican's Physical ...