Scientists have updated global rules for announcing possible alien signals. New guidelines emphasize independent verification ...

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

We frequently question whether we are alone in the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would aliens communicate? How could ...