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 ...

United Launch Alliance is readying the company's final Delta 2 rocket for takeoff Saturday on a flight to put a $1 billion NASA satellite -- ICESat-2 -- into orbit. The satellite will fire 10,000 ...

(TNS) — In 2003, engineers from Germany and Switzerland began building a bridge across the Rhine River simultaneously from both sides. Months into construction, they found that the two sides did not ...

A portable optical lattice clock on a trailer has been used to measure elevation deep inside a mountain near the France-Italy border. Although this elevation measurement is not as precise as ...

Kate Dignan has summited one 14er — she thinks it was probably Longs Peak, but she’s done her best to forget the experience. That trip, and countless photos from hikers around the state, got her ...

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 ...

Eight hours after we stood on the roof of Washington last summer, our guides rewarded us with certificates that read “Mount Rainier, 14,410 feet.” Aware many others believe the mountain is actually a ...

The United States is filled with mountains and valleys, from thousands of feet above sea level to hundreds of feet below.