One of the most accurate indicators of the health of the natural world is the ecosystem itself. For decades, scientists have ...

Add Yahoo as a preferred source to see more of our stories on Google. On May 15, 1963, NASA astronaut Gordon Cooper launched on the sixth and final crewed flight of the Mercury Program. This was also ...

With 360-degree vision, bright-colored bodies that sparkle jewel-like in the sun and acrobatic flight patterns reaching speeds of nearly 35 miles per hour, dragonflies are some of the more glamorous ...

CC0 Usage Conditions ApplyClick for more information. Project Mercury was the United States' first human spaceflight program. Delmas D. "Del" Burchfield (1926-2016) was an engineer at McDonnell ...

Part 2 explores the dramatically different approaches to the launch systems, and the surprising similarities in the factors that contributed to their success. Although they served very different ...

Add Yahoo as a preferred source to see more of our stories on Google. With 360-degree vision, bright-colored bodies that sparkle jewel-like in the sun and acrobatic flight patterns reaching speeds of ...