However, a new study available on the arXiv preprint server introduces a compelling idea about how we might first encounter an alien civilization. David Kipping, an astronomer at Columbia University, ...

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There’s the invasion by a warlike ...

The ruins of a prehistoric skyscraper: New research is revealing how Cornish tin appears to have boosted a long-lost Bronze Age Mediterranean civilization. This aerial photo shows that civilization's ...

On a low rise in southeastern Turkey, a ring of carved stone pillars has forced archaeologists to rethink how civilization began. The site, known as Göbekli Tepe, is roughly 12,000 years old, which ...