A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The ...

For centuries, humans have gazed at the stars and wondered whether we are alone in the universe. The question of ...

Many experts believe that aliens exist in the universe, with the key elements needed to sustain life found on comets, ...

In her new book "First Contact," journalist Becky Ferreira explores the scientific search for alien life, our cultural obsessions with extraterrestrials and why the truth may be more human than we ...