Humanity has already sent five spacecraft on trajectories that will eventually carry them beyond the Solar System, ...

Add Yahoo as a preferred source to see more of our stories on Google. According to the study, "Belief in extraterrestrial life is on the rise, with nearly two-thirds of Americans now convinced that ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

For generations, the search for life beyond Earth has focused on avoiding one of science’s biggest mistakes: claiming a ...

Alien probes could already be hiding somewhere in our Solar System – and our current surveys are nowhere near good enough to ...

Through the looking glass: The fact that we have yet to discover alien life continues to baffle scientists. While there are many possible explanations, a new theory offers a rather grim perspective: ...

Earth is often called “the Pale Blue Dot” thanks to its bountiful oceans, but most of the planet’s land masses are actually dominated by the color green. Plants use chlorophyll (which absorbs red and ...

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these extraterrestrial waters directly. A new study focusing on Enceladus, a moon ...