Titan, Saturn’s largest moon, is one of the most unique places in the solar system, featuring lakes and rivers made of liquid ...

The search for life beyond Earth has generally focused on places that are as much like our home as possible. That’s why the Kepler space mission has gotten headline after headline after headline in ...

Unlike our Moon, they can keep water in oceans liquid for more than 4 billion years.

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...