When you buy through links on our articles, Future and its syndication partners may earn a commission. There are currently more than 5,800 known planets beyond the solar system. Artist Martin Vargic ...

Huge, red "super-Jupiter" exoplanet orbits its star. Since astronomers first looked beyond the solar system three decades ago to discover extrasolar planets, or exoplanets, we've known that planets in ...

All About Space issue 131 answers your questions on the universe, describes how auroras form on other planets and investigates the mystery of a 2,000-year-old calculator. When you purchase through ...

The International Astronomical Union (IAU) defines a planet as a celestial body orbiting the Sun, possessing sufficient mass for a nearly spherical shape, and having cleared its orbital neighborhood ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA Chris Impey, University of Arizona If you look across ...

Rocky planets like our Earth may be far more common than previously thought, according to new research published in the ...

A stellar nursery in the Small Magellanic Cloud — a tiny galaxy that orbits our Milky Way — is surprisingly dusty. All rocky planets start as dust grains floating in space. That means the amount of ...

Planets are about as scarce as they can be in our summer evening sky. Earth is the only one that’s visible as darkness falls. Just look down instead of up. All of the major planets that are visible to ...