“Why is the sky dark at night?” by Minute Physics (Video)

“Why is the sky dark at night?” by Minute Physics (Video)

Have you ever wondered why you look up and see a dark sky at night? The Minute Physics have created another great video explaining why the sky is dark at night. Minute Physics provides an energetic and entertaining view of old and new problems in

Asteroid’s Record-Breaking Brush with Earth Changed It Forever

Asteroid’s Record-Breaking Brush with Earth Changed It Forever

A tiny asteroid that zipped by Earth this month made the closest-ever approach to our planet without hitting it, an encounter that changed its place in our solar system forever, NASA scientists say. The asteroid, called 2011 CQ1, came within 3,400 miles (5,471