There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be ...

The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Until not many years ago, scientists didn’t think planets could exist around a pair of stars. The complications from the ...

The sun has had quite a busy week hurling solar flares at our planet, causing blackouts across the globe. “After weeks of ...

At the center is the sun, a yellow dwarf star ... from the eight major planets to dwarf planets, comets, asteroids, and icy objects — revolves around it. The solar system also includes the ...

An international team from Taiwan, Japan, and Australia used 40 years' worth of data from two space probes to track down what they believe are signs of this distant planet moving around our sun.

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's distance from the Sun. And, as an added bonus, the planet is orbiting backward ...

In the early days of our solar system, when the Sun was still young and the planets were barely formed, Jupiter wasn’t the ...

An international team of astronomers reports the discovery of a new giant exoplanet around an M-dwarf star (GEMS). The ...

"Saturn and Mars will be the easiest to spot higher up in the southeastern sky, while Jupiter and Mercury will be low on the ...