In a bid to unearth its own nickel, lithium, and more, the U.S. is using AI to help zero in on mineral-rich deposits.

Some of the country's wartime environmental catastrophes, scientists say, can be turned into long-term ecological gains.

Living things began tracking the incremental passage of time long before the human-made clock lent its hands. As life grew in harmony with the sun’s daily march through the sky, and with the seasons, ...