However, most scientists use around 100 km when describing where the atmosphere ends and space begins. These three gases make up 99.9% of the atmosphere. The remaining gases are found in much ...

Many solutions are up in the air – quite literally. The atmosphere holds many valuable raw materials that can be utilized in a variety of ways. We can use a number of airborne gases to make products ...

the increase in CO2 in the atmosphere is nearly 100 times larger than it was at the end of the last ice age. Rapidly increasing atmospheric levels of CO2 and other gases have the potential ...

The planet, called WASP-39 b, is a gas giant orbiting a sun-like star ... we can explore the chemical makeup of the atmosphere of other worlds — and if there are signs in it that we can only ...