Evangelista Torricelli, one of the first to discover atmospheric pressure, once said, "We live submerged at the bottom of an ocean of the element air." The Earth's gravitational field is pulling ...

Researchers studying decades of earthquake data say they have found the first evidence that, in addition to spinning backward ...

Earth's atmosphere is 20 percent oxygen and 80 percent ... air is so thin and the amount of oxygen so small that pressure oxygen masks no longer do the job. Above the 63,000-foot threshold ...

So why aren't people crushed by Earth's atmosphere? In part, it comes down to the distribution of the pressure. Air flows around your body. Ultimately, the pressure from air "is exerted uniformly ...

The Earth’s atmosphere is the relatively thin layer ... that the weight of the air above you is what causes air pressure (atmospheric pressure). This weight of the air above is equivalent ...

At sea level, there is 101,000 N of air above every metre squared of the Earth’s surface. Atmospheric pressure decreases as the height of a surface above ground level increases. This is because ...

So researchers designed an experiment to compress hydrogen and helium, reaching pressures nearly 2 million times Earth’s atmospheric pressure and temperatures of thousands of degrees Celsius ...

High pressure and the polar vortex A massive ... a boundary between the two lowest layers of Earth’s atmosphere -- the stratosphere and the troposphere, where nearly all weather occurs.