The idea that aliens may have visited the Earth is becoming increasingly popular. Around a fifth of UK citizens believe Earth has been visited by extraterrestrials, and an estimated 7% believe that ...

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about "little green men" here, however — more "little (and not so little) gray rocks ...

Actual science finds itself badly outnumbered by entertainment repackaged as factual. This article was originally published at The Conversation. The publication contributed the article to Space.com's ...

Former NASA agent Joseph Gutheinz dismisses UFO sightings as alien visits, citing vast interstellar distances. He suggests these sightings are likely advanced drones, secret military tech, or ...

I would teach the aliens all about human history. I would tell them about our different cultures and civilisations, as well as the wars and problems in society. They might be able to learn something ...