Exoplanet hunters Christopher Watson and Annelies Mortier explain the long search for a 'twin Earth' capable of sustaining ...

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 ...

HIGH above us in the distant reaches of space lie planets of every shape, size and colour. But just how many are in the universe, and what is the nearest planet to Earth? One of the earliest lessons ...

One of the worlds in the TRAPPIST-1 system, a mere 40 light-years away, just might be clad in a life-supporting atmosphere.

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

How many planets are in the universe? One of the earliest lessons you learn in school is that our Solar System is made up of eight planets – plus Pluto. We live in just one of thousands of star ...

The Star Wars series vividly portrays the galaxy far, far away, complete with various planets, races, and technological advancements. Many fans have pondered whether Earth, our planet, has any bearing ...

Astronomers have discovered a group of planets that have no fixed orbits and instead float freely through the Milky Way. The scientists surmise the 10 new planets, each roughly the size of Jupiter, ...

Stevenson 218 is the largest known star in the universe, located about 18,900 light-years away in the constellation of Scutum and far surpassing even the sun in size and brightness. So immense that it ...