Fossil fuels powered the industrial revolution. Would aliens need a similar power source to jump-start a technical revolution ...

Sumerian civilization appears to have evolved in Southern Mesopotamia around 4000 BC, while some historians place it as far ...

Eventually, on a page discussing all the candidate photos, one example was agreed to contain no issues. The image, added by ...

THE KARDASHEV SCALE. We have no idea what an alien civilization would look like. Humans are evolved primates. What if an alien species is reptilian? Or more like an insect? Or a hybrid of these?

These would also have been the same aliens or lost civilizations that had technology far beyond today’s cutting edge, putting Europe’s fledgling civilization to shame. Hence people keep ...

But if aliens were building their own society, would they have to go down the same path as humanity, relying on fossil fuels to build their advanced civilization? Or could they find an alternative?

SXSW: The 34 military and intelligence veterans interviewed about their knowledge of alien encounters offer the most convincing argument you can make without showing any actual evidence. It’s ironic ...

The Drake Equation helps scientists estimate the odds of finding intelligent alien civilizations. It’s an age-old question: Do aliens exist? And what are the odds we’ll make contact?

Ancient astronaut theorist Giorgio Tsoukalos is bringing "Ancient Aliens LIVE" to the Brown County Music Center on March 28.