Our solar system is probably on the mild side compared with what happens elsewhere. You probably need that mildness in order to have a habitable planet.” The Nice model is a hypothesis, and not ...

A web developer named Alex Giron has created a working model of the solar system using only web standards. It’s fully animated — though Alex takes advantage of some new CSS 3 features (border ...

6.4 billion kilometers (3.7 billion miles) from the center of the solar system, Voyager 1 looked back at the home it left behind in 1977, at the gas giant Jupiter, which it flew past in 1979; and ...

Solar system guide: Discover the order of planets and other amazing facts; Watch the sun unleash 600,000-mile-long eruption in fiery outburst (video) ...