Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life. An ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

Scientists may need to broaden their horizons in their search for alien life.

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

For decades, scientists have grappled with a profound question known as the Fermi Paradox: if the galaxy is teeming with the potential for extraterrestrial life, why is the cosmos so quiet? A new ...

There might be many more planets that could be home to aliens than we thought, according to a new study. For years, scientists have searched for life in the “habitable” or “goldilocks” zone – where it ...

In Carlsbad Caverns, researchers found glowing cyanobacteria that thrive in darkness, suggesting new ways to search for alien ...

Is water enough to find alien life? New research reveals phosphorus and nitrogen are crucial. Discover the 'chemical ...

Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

"The universe is a pretty big place. So if it's just us... seems like an awful waste of space," goes a line from the 1997 film "Contact." In the movie, Jodie Foster plays Dr. Ellie Arroway, a radio ...