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

What if life on Earth didn’t begin here at all, but arrived from somewhere else in the universe? Panspermia is the ...

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

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

If aliens from space can die and mourn their dead then they likely invented gods to worship. Because they missed their loved ...

A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

Some scientific breakthroughs may be lost to time due to scandal and redaction, while others are simply a case of waiting for more evidence. We take a look back at some that made headlines—and that's ...

The depiction of humanity's 'first contact' with alien life has been the subject of countless sci-fi films and novels, but a new research paper argues that if we ever discover the existence of alien ...

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...