When Pluto passed in front of a star on the night of August 15, 2018, a Southwest Research Institute-led team of astronomers had deployed telescopes at numerous sites in the U.S. and Mexico. This was ...

A version of this article first appeared on NOVA's Web site Everest. Put Mt. Everest (28 deg North) at the latitude of Mt. McKinley (63 deg North) in the United States and it is likely that no climber ...

Carbon dioxide emissions from the burning of fossil fuels will produce a 3 percent reduction in the density of Earth's outermost atmosphere by 2017, according to a team of scientists from the National ...

Clearly I'm not going to go out a MLB park and start hitting home runs. I'm also not going to put that park in a giant dome so that I can change the ambient humidity and other factors. No, that would ...

THE atmospheric density at heights of 200–800 km has now been quite thoroughly charted during a complete half-cycle of solar activity from the intense sunspot maximum in 1957–58 to the solar minimum ...

EXPLANATION: All of this experiment is possible because of air pressure. When you blow up a balloon, the air goes from your lungs and hits the walls of the balloon – this creates air pressure that ...