NASA's awkward problem. Agency asks for help and sets prize A visit to the toilet in space is no simple matter. It's cramped, there.

Amazing ants that grow plants Researchers have looked at the mróto the Fiji Islands. They determined that the insects deliberately harvest, plant, and then.

Alarming changes in the Arctic. It’s 20 degrees warmer. Celsius The state of sea ice in the Arctic is alarmingly small for this time.

Scientists examined handwritten notes from Copernicus’ book collection More than half a thousand handwritten notes made on the margins of books by Nicolaus Copernicus.