Want to putt like the pros? Ian Poulter shows how a simple string can improve your putting alignment, eye position and stroke.

Rated Red breaks down three steps to perfectly sight in a rifle scope. Second man dies after ambush-style shootout in quiet ...

Streamline your astrophotography setup with easy power cable management, smart guide scope placement, and simple computer ...

Functional vision improvements are reported, with optimal pupil size considerations for varying light conditions being ...

Geographic atrophy due to age-related macular degeneration (AMD) is the leading cause of irreversible blindness and affects more than 5 million persons worldwide. No therapies to restore vision in ...