Victims' families gathered near the site where a plane and copter collided and fell into the Potomac River. 'They are all ...

Medical conditions that deprive the testes of oxygen, such as sleep apnea, may be contributing to the decline in male fertility observed over the past 50 years, a new study suggests.

Preliminary data from the deadliest U.S. aviation accident in nearly 25 years showed conflicting readings about the altitudes of an airliner and Army helicopter when they collided near Washington.

Investigators hope to reconcile the altitude differences with data from the helicopter's black box, which is taking more time ...

The Army helicopter that struck an American Airlines regional jet on approach to Ronald Reagan Washington National Airport ...

“High-altitude vineyards and low-altitude vineyards…produce wines with distinctly different characteristics, shaped by their unique terroir,” says winemaker Jamie Kutch. At his boutique ...

High-altitude observatories hold a key advantage when it comes to the enigmatic quest of understanding the universe. These ...

Nature Research Intelligence Topics enable transformational understanding and discovery in research by categorising any document into meaningful, accessible topics. Read this blog to understand ...

Zach Wichter is a travel reporter and writes the Cruising Altitude column for USA TODAY. He is based in New York and you can reach him at [email protected].

(Photo by Spc. Javion Siders/U.S. Army) The Army is scouring industry for unmanned aircraft systems to launch from medium- or high-altitude platforms that would perform tasks like intelligence ...