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

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...

SETI@home has been one of the largest citizen science projects ever, with millions of users around the world.

For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. From ancient myths about gods descending from the heavens to 20th-century UFO sightings and ...

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 ...