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

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

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

"Considering the direction and frequency of our most common signals gives insights into where we should be looking to improve our chances of detecting alien technosignatures." When you purchase ...

For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. From ancient myths about gods descending from the heavens to 20th-century UFO sightings and ...

For as long as humans have looked up at the night sky, we've wondered who, or what, might be looking back. Journalist Becky Ferreira dives into this rich history in her new book "First Contact: The ...

A strange object hurdling through our solar system from interstellar space may, according to one of academia’s most controversial astronomers, have been sent by aliens to see how smart we are. “It is ...

Among the many strange biological wonders Charles Darwin observed in his time, one haunted him above all. “‘The eye, to this day, gives me a cold shudder,” he admitted in a letter to an American ...