The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

A space boffin says intelligent aliens 'absolutely' exist, but blasts UFO cover-up theories as she waits for an ET radio ...

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

Alien civilizations, cosmic signals, and megastructures drive this deep search for intelligent life beyond Earth. The video ...

The Drake Equation helps scientists estimate the odds of finding intelligent alien civilizations. It’s an age-old question: Do aliens exist? And what are the odds we’ll make contact? A famous ...

A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, ...

So many things had to happen for us (humans) to end up here (Earth). Our species is made possible because a water-filled planet orbits a particular distance away from a star of a particular size.

The human brain is a marvel of neurons firing electrical impulses through complex networks of neural pathways. It can also be notoriously slow when it comes to figuring out new solutions for ...