Although not as common as they once were, air pressure systems do still exist, so you should prepare yourself for when you encounter one. More reliable plant designs are now readily available for OSP ...

When Pluto passed in front of a star on the night of August 15, 2018, astronomers deployed telescopes at numerous sites in the U.S. and Mexico to observe Pluto's atmosphere as it was briefly backlit ...

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 ...