For generations, artists and science-fiction writers have imagined alien landscapes beneath twin sunsets. The image became iconic in popular culture long before astronomers confirmed that planets ...

If you thrill at the discovery of new exoplanets, hold tight. A sextuplet alien solar system has been glimpsed in exquisite detail, revealing six planets of varying mass, five of which are packed ...

AT LAST we are seeing big rewards in the hunt for “super-Earths” – rocky alien worlds a few times more massive than our own. That was the verdict from a landmark meeting of astronomers last week which ...

The search for life beyond Earth has marked a new discovery — evidence of an atmosphere on an Earth-like planet beyond our Solar System with modelling suggesting it may be a water world.

Scientists have identified two possible exoplanets where aliens could have lived for five billion years before life on Earth ever began. The planets could exist in our own Milky Way galaxy and share ...

Add Yahoo as a preferred source to see more of our stories on Google. A rocky planet orbiting in the habitable zone of a sun-like star may look like a perfect place for life to thrive — but not if ...

Hundreds of Venus-like planets could soon help determine why some worlds become sweltering greenhouse hellscapes while others ...