Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Creating a believable alien world takes more than imagination. It requires biology, environmental logic, and evolutionary pressure. The Birrin ecosystem follows scientific rules every step of the way.

E.T. could be phoning home — but we’re not hearing the call. A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from ...

Our search for extraterrestrial life has turned up empty, perhaps because technologically advanced civilizations are doomed ...

We may be missing alien radio signals because they have become smeared beyond the narrowband detectors that SETI utilizes, a new study suggests.

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures?

Indie Spotlight | Planet of Lana 2 has the right amount of head-scratching and cinematic adventure to be worth experiencing ...

You don't need a rocket ship to visit another world. Right here on planet Earth, there are bizarre landscapes that defy expectations. They're real places you could visit with nothing more than a plane ...

This video reacts to the Kurzgesagt episode about aliens under the ice and the possibility of life on rogue planets drifting through space. It explains how frozen worlds hidden oceans and internal ...

Add Yahoo as a preferred source to see more of our stories on Google. SAN DIEGO, Calif. (FOX 5/KUSI) — Dr. Neil deGrasse Tyson is coming to the Civic Theater in San Diego to talk about the planets and ...

Ever since physicist Freeman Dyson first proposed the concept in 1960, the "Dyson sphere" has been the holy grail of ...