Neil deGrasse Tyson, director of the Hayden Planetarium, identified the phenomenon where the sun lines up for spectacular views in New York over a decade ago and coined it Manhattanhenge. Watch this cosmic event unfold right through the...

Observe how shadows will change size and direction depending on the position of the object or the light source in this live-action video (1:27) from PEEP and the Big Wide World. Use the resource to help students identify and describe...