Nasa's search for Earth-like planets outside our solar system suffered a potentially catastrophic setback as its Kepler telescope broke down in orbit ...

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What would happen if the Moon was replaced by other planets in the Solar System? Yes, in actuality probably a devastating gravitational tug resulti...

Nasa's archive of alien worlds has helped the public find new planets it might otherwise have missed. All of the exoplanets - worlds outside our so...

Alien worlds orbiting dead stars may be leaving 'electric trails' in space - and astronomers think they know how to find them. The strange planets ...

The consensus among scientists is that for a planet to be capable of harbouring life, it must have surface water and reside in the ”Goldilocks zone...

The first evidence of a star gobbling up a planet has been found by a team of international astronomers. The unlucky planet was devoured by a star ...

Scientists have confirmed that if you can find a flight, you could ski on Mars. Well, sort of. Researchers at the Massachusetts Institute of Tec...

Lakes of shimmering methane may be hiding amid an enormous desert of shifting sand dunes in the tropics of Titan, Saturn's largest moon. Titan has ...

Billions of potentially habitable planets may exist in our galaxy, the Milky Way, according to a study. Around 100 "super-Earths" may be found on o...

There's nothing like a glorious sunset to make you feel like you are in another world - especially if it's green. Watching the sun go down on the p...