For decades, astronomers have chased fleeting hints that something alive might be lurking beyond Earth, only to watch each ...

Scientists claim that first extraterrestrial contact will be a loud event impossible to ignore, not a subtle signal.

After the Big Bang, the Universe entered a long, dark period before the first stars formed. During this era, hydrogen emitted a faint radio signal that still echoes today. New simulations show this ...

Astronauts of the future may be radically different from the rest of us in physiology and psychology. So, to what extent ...

The Bank of England has been warned that confirming the existence of alien life could trigger a financial crisis and ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

While imperceptible to humans, these tiny delays are significant for experiments that rely on pulsars as ultra-precise cosmic ...

A major claim in the older media cycle was that NASA removed the book and related materials. Whatever happened during the original wave of reporting, the current reality is clear: NASA now provides an ...

So if we’re right, each former human is now essentially a radio transmitter and receiver. One plurb sends out a signal that ...

Astronomers are using China's powerful FAST radio telescope to chase after 100 intriguing signals detected by the SETI@home ...

In 2021, a curious discovery pushed penguins into an unexpected corner of science. Researchers studying chemical signatures ...

After two decades of quiet data processing on millions of crowd-sourced home computers, the SETI@home project has narrowed ...