Where did life on Earth come from? It is one of humanity’s oldest and most fascinating questions. For centuries, people have ...

Billions of years ago, another planet smashed into Earth. An event of this epicness could have created our Moon. It also ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

And if aliens made of different stuff potentially possess consciousness, then why not minds made of silicon, metal, and ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

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

Disclosure Day treats extraterrestrial life as a challenge to faith. It’s not.

We've been looking at nature the wrong way, argues Rowan Hooper. If we stop focusing on the individual, we get a whole new picture of how life on Earth – and elsewhere – may have begun ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

Many have watched recently released UFO videos, but most still think the government knows more than it is saying.