The sheer scale of Carrazco-Gaxiola’s survey, titled “An All-Sky Spectroscopic Reconnaissance of More Than 2,100 K Dwarfs Within 40 Parsecs Using High-Resolution Spectra,” is what sets it apart.

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

What if the galaxy isn’t empty—just deliberately quiet? Some civilizations may have chosen secrecy over conquest, hiding in ...

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

Humanity is still in the early stages of exploring the cosmos, with Artemis 2 preparing to take us back to the moon and then ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

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

Need a reminder of what's up in the farthest frontier of 'Star Trek' before 'Starfleet Academy'? Class is now in session.

For 21 years, between 1999 and 2020, millions of people worldwide loaned UC Berkeley scientists their computers to search for ...

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 ...

And even if they were to happen across the probes, finding a way for aliens to discover where and when they were made is not ...