Are we alone? Research suggests intelligent aliens may exist—perhaps even in our own galaxy
The search for life beyond Earth is accelerating, with new telescopes, spacecraft, and missions exploring the universe for ...
Biggest ever UK dinosaur footprint site discovered 英国发现境内最大的恐龙脚印 ...
Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.