Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

A new Nature Astronomy study warns that space missions are fixated on avoiding false alarms and may be quietly discarding ...

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 ...

"Extremophile" bacteria could survive asteroid impacts strong enough to launch them into space, a new lab experiment shows — hinting that these space-rock crashes could spread any potential alien life ...