PHILADELPHIA (CBS) - Is the sky falling in Mount Airy? One Philadelphia family is still trying to figure out why a strange metal object ended up on their roof and how it got there. On Wednesday ...

We know “what goes up must come down.” But WHY? "Drop" in to find out! We know “what goes up must come down.” But WHY? Drop in to learn about the gravitational forces like acceleration and air ...

Our motion perception is remarkably well tuned to detect small changes in speed and direction. For example, soccer goalkeepers need to precisely judge the speed, direction, and curvature of an ...

Nagpur: The residents of Nagpur city in Maharashtra were stunned after a huge metal object fell on the terrace of a house. It has triggered discussions among locals whether it was part of 'space ...