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 ...

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 ...

Rising concentrations of carbon dioxide in the upper atmosphere will change the way geomagnetic storms impact Earth, with potential implications for thousands of orbiting satellites, according to new ...

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 ...

Knowing the air density outside of a spacecraft can have a substantial effect on its angle of descent and ability to hit a specific landing spot. But sensors that can withstand the harsh hypersonic ...

Rising concentrations of carbon dioxide in the upper atmosphere will change the way geomagnetic storms impact Earth, with potential implications for thousands of orbiting satellites, according to new ...