New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

The “post-detection protocols” for announcing the discovery and existence of alien life have just had their first major update in 16 years, though the all-important "no reply" rule remains in place.

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

The skepticism and debate around the question of "are we alone in the universe" makes the field of astrobiology more cautious When you purchase through links on our site, we may earn an affiliate ...

In the endless search for technosignatures—signs from some technologically advanced intelligent alien civilization—we've done everything from monitoring radio arrays to hypothesizing about whether ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

So far astronomers have discovered nearly 6,000 exoplanets—worlds that orbit stars other than our sun. If that number already feels ridiculously large, you’d better brace yourself: extrapolation of ...