Around 5,000 years ago, people in what is now Iran began turning dull stone into shining metal. By heating copper ore until ...
Schools around the world have closed to prevent the spread of COVID-19, leaving parents and teachers scrambling to figure out how kids can learn at home. We can help! Science News Explores and the ...
When a delicate object crashes onto the floor, most people expect it to shatter into several pieces. What they might not know, however, is that the sizes of those fragments—whether from a broken plate ...
Time travel is deterministic and locally free, a paper says—resolving an age-old paradox. This follows research observing that the present is not changed by a time-traveling qubit. It’s still not very ...
Why they're black: Their gravitational pull is so extreme that even light can't escape Black holes are places where gravity is so powerful that nothing — not even light — can escape. Rather than being ...