In a Martian valley carved by ancient rivers, a four-pound helicopter sat in silence, its blades half-buried in red dust. Nearly three years after it made history by achieving powered flight on ...

NASA’s rover has made a poignant discovery on Mars: the crushed remains of a helicopter that once soared through the planet’s ...

This week, conservationists began their annual bison capture operation at Theodore Roosevelt National Park in western North ...

Brice Makinadjian and Stephane Deport, both engineers at Airbus Helicopters, looked on proudly as a sleek blue-and-white helicopter zipped over the crowds at the Paris Airshow in June 2025. Slicing ...

Between June 15 and July 29, 1945, six Army Air Forces pilots flying experimental Sikorsky helicopters evacuated between 75 ...