The US president says the army Black Hawk involved in Wednesday's collision was above the 200ft altitude limit for ...

President Donald Trump chose from his most loyal supporters when he created his Cabinet and appointed others to key roles within his administration.

Valérie André, a French military officer, brain surgeon, and licensed pilot who was believed to be the first woman to fly helicopter rescue missions in combat zones — during the French-Indochina war ...

A team of scientists has made the first experimental measurements of laser-induced motions of miniature lightsails in the lab.