The weather service says no rainfall records were broken for Portland, but this week’s storm certainly carried a lot of moisture into the Pacific Northwest. Here’s the satellite view of what ...

Why? Because of the many factors which affect atmospheric pressure. Pioneering scientists discovered atmospheric pressure (also known as barometric or air pressure) in the 17th century ...

To explore and work in space, human beings must take their environment with them because there is no atmospheric pressure and no oxygen to sustain life. Inside the spacecraft, the atmosphere can ...