A new study allegedly finds that one of Saturn's moons may contain 'slushy tunnels' that can potentially host alien life. The ...

Matt is the heart of innocence inside the war in Falling Skies. Maxim Knight plays Matt with curiosity and quiet courage.

Humans have long imagined life on Mars, but what if the red planet actually delivered life to Earth in the first place?

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...

Futurist Michio Kaku sees humans doing ballet on Mars and projecting their brains into the cosmos. And aliens? Oh, they're ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

NASA's alien-hunting Europa Clipper spacecraft took seven hours of ultraviolet observations of interstellar comet 3I/ATLAS while both objects zoom toward Jupiter.

Scientists have long believed Saturn’s moon Titan hid a massive underground ocean, but new research suggests something even stranger: a deep, icy slush filled with pockets of warm liquid water that ...