Attention human. You are receiving an interstellar radio transmission. And it could be coming from one of the nearest ...

American researchers predict that if there really are alien civilizations, they are likely to be hostile to the Earth, the Daily Mail reported. Viewed from a third party, Earth may be seen as being ...

Humans have always looked up at the night sky and wondered about our place in the vast cosmos. A Soviet astronomer named Nikolai Kardashev created a brilliant method to measure how advanced an alien ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...

The Search for Extraterrestrial Intelligence (SETI) is a dream of humanity, but advanced extraterrestrial civilizations do not necessarily communicate in the same way as humans. A paper published on ...

When people imagine first contact with aliens, they often picture giant ships in the sky or wise beings sending peaceful messages. A new scientific idea suggests something very different. According to ...