Watch a green comet make its first Earth approach in 50,000 years with this free webcast

Green comet C/2022 E3 (ZTF) will be closest to Earth on Feb. 1. Here's how to see it.

NASA has Simulated a Tiny Part of the Moon Here on Earth

The Comet Interceptor probe could visit a stunning object like the green C/2022 E3 (ZTF)