Our Solar System is simple—one star, planets orbiting around it. But what happens in a system with multiple stars? Scientists ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Uranus has the craziest tilt in your Solar System. Its tilt is about ninety-eight degrees. That means its north pole is ...

Finding life on another planet would be a world-changing discovery for humanity. But actually detecting it is no simple task.

The search for alien life could be boosted by a simple new test, say scientists. They believe the movement of microbes may ...

The search for alien life could be boosted by a simple new test ... space missions looking for living organisms on Mars or other planets.” The species included in the study were chosen due ...

It all came down to a simple question ... the Kepler mission has changed what we know about planets and about our place in the Universe.