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

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 ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

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 ...

A new research paper, published in the Science Advances journal, has postulated that rocky planets like ours may be far more ...

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 ...

From a gas giant so light it would float like a cork (TrES-4b) to a world where it rains molten iron (WASP-76b), the universe is full of planets that shatter our imagination. This video dives into the ...

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 ...

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 ...