Scientists have always been curious about the atmosphere surrounding us, but in the past, they could not just hop on a spaceship to see what was up there. Instead, scientists hiked up high ...
If you like the smell of spring roses, the sounds of summer birdsong, and the colors of fall foliage, you have the stabilization of the ozone layer to thank for it. Located in the stratosphere, where ...
Earth's atmosphere is changing — potentially for the worse. A team of researchers has found pollutant metals in Earth's stratosphere — the second layer of our atmosphere — and traced them ...
While ozone is harmful to humans and animals at high concentrations, it’s a vital gas in Earth’s upper atmosphere. A layer of ozone in the stratosphere roughly 20 to 40 km above the surface ...
Laid down over millions of years, these rock layers contain a permanent record ... Some three billion years ago, the Earth's atmosphere was virtually devoid of oxygen. At about 2.4 billion years ...