Alien life could take many different forms, but one possibility is captivating scientists: alien "plants". What would they look like? And how could we find them? On the Orion arm of the Milky Way ...

Scientists have spotted new details on a distant planet, in a major breakthrough that could transform the search for alien life. The research has allowed scientists to see the atmosphere on a planet ...

Scientists have peered through the atmosphere of a planet outside our solar system and discovered weather patterns "like something out of science fiction". For the first time ever, astronomers mapped ...

Add Yahoo as a preferred source to see more of our stories on Google. The Milky Way galaxy has more than 400 billion stars in it. Over the last few decades, astronomers have discovered that almost ...