Media commentator and former British Ministry of Defence UFO researcher Nick Pope worries that none of our current, ...

ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be ...

Star Trek legend William Shatner is confident that alien life exists- but doesn't believe intergalactic visitors have boldly ...

THE search for alien life across our Solar System and beyond has so far kicked up nothing intelligent – let alone microbial.

Scientists have long debated the origins of the Wow! Signal—one of the most intriguing potential signs of extraterrestrial intelligence. This video delves into a fascinating theory: could hyperdrive ...

Curiosity, a set of NASA 's robotic "eyes" on the Red Planet, recorded 16 minutes of so-called noctilucent clouds flying ...

SETI scientists try to determine whether aliens at a similar technology level to humans could detect Earth and from how far ...

Anyone looking up to the skies over southern Utah early Monday evening might have had cause to worry about the alien invasion ...

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these ...

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these ...

A new chemotaxis-based method could revolutionize the search for extraterrestrial life by detecting microbes movement on Mars ...

History Channel series “Ancient Aliens” returns Friday, February 7 at 9 p.m. ET with all-new episodes. Stream the season premiere for free with a Philo 7-day trial.