Like Don's stack of fish-wiches, this globe shows us the layers that make up our Earth-- the thin, solid outermost layer, the crust, the denser, deeper layer, the mantle, and, finally, the really ...

As we welcome Earth Day 2020 here are some fun activities you can do with your kids as you stay at home waiting out Coronavirus to pass. The goal in all of these activities is to teach kids about ...

What would happen if the Earth’s core was no longer molten hot? – Amelia, age 13, Devon, UK. Thanks Amelia, that’s a very good question! The Earth’s core is cooling down very slowly over time.

Earth’s atmosphere has five major and several secondary layers. From lowest to highest, the major layers are the troposphere, stratosphere, mesosphere, thermosphere and exosphere. "The Snow ...

According to NASA the upper layer of Earth's atmosphere — the exosphere — extends up to 6,200 miles (10,000 km), above which the atmosphere and space blend.

Earth's ozone layer, an early symbol of global environmental degradation, is improving and on track to recover by the middle of the 21st century. Over the past 30 years, humans have successfully ...