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

Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

The observatory will combine tech from NASA's most powerful space telescopes.

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just ...

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 ...

Tiny delays in pulsar signals measured by SETI scientists could aid the search for gravitational waves and extraterrestrial ...