Before ‘Star Trek’ Can Become Reality, We First Have To Protect Planet Earth

Earth is on track to exceed 1.5C warming in the next decade, study using AI finds | Climate crisis

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.