Yaguang Zhang, a clinical assistant professor of agricultural and biological engineering as well as agricultural sciences ...

One passenger looked out and photographed an odd contrail shadow on the ground. If you smiled at that shadow line and thought, “Yep, definitely aliens,” we can’t help you. You’ll need to ...

Shadows are created when an object blocks light from the Sun or another light source. When the light can't pass through the object, it makes a dark spot on the ground or wall behind it ...