A simulation reveals the catastrophic impact a super-Earth could have on our planet, causing climate chaos and making Earth ...

Learn how you can see bright Jupiter from Earth, helped by its massive size and banded, reflective cloud tops, in December's ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...

These evenings, when it is clear, there is (what appears to be) a fairly bright yellow "star" in the southern sky. It is not ...

Extrasolar gas giant planets are a necessary stop on the road to finding life elsewhere in the cosmos. Here's why we need to ...

However, exoplanets span a great spectrum of sizes. Our solar system lacks a planet whose size falls into the range between Earth and Neptune, but it turns out that’s the most common type of ...

When studying the outer planets of our solar system, there's no solid ground. Literally. Jupiter, Saturn, Uranus, and Neptune ...

Encountering Neptune in 1989, NASA's Voyager mission completed humankind's first close-up exploration of the four giant outer ...

In the next decade, researchers will start probing the atmosphere of planets as small as Earth and Venus orbiting nearby ...