Scientists claim that first extraterrestrial contact will be a loud event impossible to ignore, not a subtle signal.
Could the first confirmed signal from an extraterrestrial source be less a hello than a goodbye? Astrophysicist David Kipping argues as much, and his “Eschatian Hypothesis” reimagines the way ...
The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...
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 ...
Within a few dozen light years of the Sun, the sky is crowded with stars that could, in principle, host living worlds. I want ...
A crowd-sourced search for alien intelligence called SETI@Home is in its final stages, analyzing 100 radio signals of ...