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 ...

As we face the world’s greatest environmental challenges, BBC Earth brings you solutions in psychology, food, climate change, health, social trends, and technology that can make the world a more ...