When I say jump, your iPhone can tell you how high.

For more than a decade, survey flights have crisscrossed the United States using gravity instruments to calculate a new sea level in an effort that will save the country billions of dollars on ...

The European Space Agency’s ACES mission could ultimately pave the way for a global network of atomic clocks that make these measurements far more accurate. In 2003, engineers from Germany and ...

Home > Extreme Help NASA's Laser-Scanning Satellite by Measuring Trees With Your Phone ICESat-2 measures elevation from orbit as part of NASA's climate research, but the agency would like some data ...

Editor’s Note (10/16/19): This article has been edited after posting for inclusion in the November 2019 issue of Scientific American. A stunning 12 million people could be forced to retreat from ...

CHICAGO--A Field Museum scientist has developed a novel way to determine land elevation as continents moved around the Earth through geological ages. Knowing how high mountains and plateaus were in ...