New planet is one of the best ever hopes for seeing alien life, scientists say - Less than 20 light years away, we could soon ...

The first picture of a planet outside our solar system may actually depict a swirl of space dust, a new study suggests.

As shocking as it sounds today, prior to the 1990s, scientists couldn't be certain that stars beyond the sun also had planets orbiting them. Since the discovery of the first extra-solar planet, or ...