I help to build A.I. systems, and even I know there are real reasons to be concerned about how A.I. affects our children.

Earth’s spin is not as steady as it looks. As ice melts and groundwater is pumped from deep aquifers to the surface, the ...

Oxygen is crucial for life as we know it, but before it could build up in our atmosphere, earth had to slow down. Hosted by: Hank Green Huge thanks go to the following Patreon supporters for helping ...

The Moon is getting 1½ inches (3.8 centimeters) farther away from the Earth every year. Scientists measure the distance to ...