Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

The big-idea explorers at Aperture dive into the most mind-bending thought experiments that continue to defy explanation and ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Given the unique importance of a potential UFO visit, confirmation requires a high standard of evidence. Here are simple tips ...

The Alien franchise has become synonymous with the deadly Xenomorph, with the predatory alien race becoming utterly iconic in ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

Robots and AI are running experiments around the clock, from battery chemistry to cancer therapies. But can they be trusted ...

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...