Princeton engineers investigated the secret to grasshoppers' efficient gliding, inspiring a new approach for robotic flight.

Tiny flying robots have always faced a brutal trade-off between agility and battery life, burning through power just to stay ...

Learn to tie the Kaufman Stone, a proven stonefly nymph pattern created by Pacific Northwest fly tier Randall Kaufman in 1973 ...

Check out our roundup of the best of this season's waterfowl gear.