Some of the most tantalizing hints in the search for extraterrestrial intelligence have not been messy or chaotic, but eerily ...

Radio waves from Earth have been moving through space for more than a century. They did not start as part of any grand plan ...

It’s likely just an evolutionary development to keep us out of harm’s way, but the horror genre is very good at using it ...

Radio signals have been travelling through space since 1906, forming Earth’s radio bubble. Now 119 light years wide, it covers about 75 star systems, the signals fading into noise ...

Voyager 1 has spent decades slipping into the dark between the stars, its radio whisper growing fainter with every year. Now ...

It also pushed them to tighten their standards, especially when the conversation shifts from “interesting chemistry” to ...