An alien radio signal from K2-155 d? Are there any alien civilizations out there? For several decades, scientists have been searching for evidence that they exist. That effort is collectively known as ...

Researchers earlier this month said they used the MeerKAT radio telescope in South Africa to detect radio waves on Beta ...

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

When/if alien life ever cruises toward Earth in big spaceships, we’re probably not just going to see it; we’re going to hear it via narrow radio signals. If an extraterrestrial civilization wanted to ...

The movies with aliens that most appeal to the cosmic sensibilities of . Excluding Star Wars, Star Trek, and superheroes. In alphabetical order, but beginning with that unavoidable ...

If ancient alien explorers ever traipsed through Earth's cosmic neighborhood, could it be possible they left behind some interstellar litter on the moon?

A NASA astronaut recently sent the internet into a frenzy when he posted an alien-looking photo on social media. The photo posted by Don Pettit depicts what appears to be an egg-shaped object with ...