Language and radio signals may not matter to aliens. Instead, they might be using patterns to leave a biological fingerprint.

Since its debut, "Star Trek" has introduced decades worth of new characters, locations, and alien races, but only a few ...

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

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...

Is it alien? Is it natural? Those questions have followed the interstellar comet known as 3I/ATLAS since it entered our solar system last year from beyond our own star system. A new study released ...

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 ...

3I/ATLAS, the interstellar comet that sparked debate among scientists due to speculation about its possible alien origins, is now on its way to the outer limits of the solar system. Despite the ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...

Nearly five decades after its discovery, scientists have confirmed that the “Wow!” signal—still the most tantalizing radio burst ever detected by SETI—was significantly stronger than previously ...