The curious minds at What If imagine what a single day would be like on every planet in our solar system, exploring how gravity, rotation, atmosphere, and extreme conditions would shape life and ...

The curious minds at What If imagine a second Earth hiding in our solar system, exploring how it could exist and its effects ...

The workings of our solar system are roughly the same now as they have been for millions of years. Moons circle their planets, the planets circle the sun, the sun’s magnetic fields and sunspots wax ...

Far from the Sun’s heat, orbiting the outer planets of the solar system, are moons with oceans of liquid water beneath their frozen surfaces. Keith Cooper finds out how planetary scientists are ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

If you've seen illustrations or models of the solar system, maybe you noticed that all the planets orbit the sun in more or less the same plane, traveling in the same direction. Earth's gravity has a ...