These days, most helicopters seem to follow similar design trends. However, over the years, different experimental designs ...

Nighthawk would fly to altitudes of up to 4,920 feet (1,500 meters) above the Martian average, covering distances of up to ...

A proposed Mars helicopter mission would search for signs of life, water and future human footholds in a vast volcanic canyon ...

"Battlestar Galactica" actress Tricia Helfer, who played the humanoid Cylon Number Six on the series, warned AI is a ...