Artist's concept of a potentially habitable super-Earth orbiting a star called HD 20794. Illustration credit: Gabriel Pérez ...

IT’S been nearly 40 years since the first planet outside of our Solar System was discovered. Since then, more than 5,800 weird and wonderful worlds across 4,300 planetary systems have been ...

In our solar system, Jupiter is the biggest planet at 88,846 miles in equatorial diameter — the distance through the planet from one side to the other at its equator — and a mass of 1,898 × ...

Giant auroras, raging clouds and a storm three centuries in the making - our solar system's largest planet is every bit as dramatic as its tempestuous appearance suggests. Jupiter, the largest planet ...

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Five planets are visible to the naked eye, according to NASA: Mercury, Venus, Mars, Jupiter and Saturn. Mars will appear reddish and high in the sky, near the Gemini constellation, Star Walk said.

So-called “hot Jupiter” planets are one such type, and new research suggests that they’re even more bizarre than previously thought. Hot Jupiters, as their name implies, are gas giant ...

Giant auroras, raging clouds and a storm three centuries in the making - our solar system's largest planet is every bit as dramatic as its tempestuous appearance suggests. Jupiter, the largest planet ...

This hellish planet is infamous for two reasons ... according to Nasa. But unlike Jupiter which is deathly cold, HD 189733 b sits closer to its own version of the sun, earning it the common ...