The search for alien life takes many forms, from identifying Earth-like planets to scanning for extraterrestrial signals.

Scientists intensify the search for Dyson Spheres, megastructures capturing stellar energy. Breakthrough studies reveal ...

An off-the-record conversation about UFOs and alien civilizations late former President Jimmy Carter, who died last month at age 100, had with a reporter has been revealed. Scott Simon ...

Seamlessly track your weight with one of the best smart scales on the market, tested and reviewed by our CNET health experts. I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the ...

Now, one theorist warns that the human civilization of 8.2 billion people is at a critical junction: teetering between what he forecasts will be authoritarian collapse and superabundance.

Civilization VII presents "natural" paths for your people to take. For example, playing as Confucius, I started with the Han ...

Narrator: In 762, the city of Baghdad was established by Al-Mansur. The centre was a perfect circle. The round city. By 814, Baghdad was the world's largest city with over one million inhabitants.