Searching for technosignatures—signs of technology on a planet that we can see from afar—remains a difficult task. There are so many different factors to consider, and we only have the technological ...

Humans Arrived in the Final Minutes of Earth’s “Year” — And the Future Holds Astonishing Events ...

When Elon Musk and Nvidia CEO Jensen Huang sat down to discuss the future of artificial intelligence during an event held on November 19 in Washington, D.C., they arrived at a startling conclusion.

US Secretary of State John Kerry Thursday urged nations to set ambitious goals to curb greenhouse gases, warning climate change deniers that gambling with the Earth's future was a risky business as ...