From the discovery of gravity to the first mission to defend Earth from an asteroid, here are the most important physics experiments that changed the world.

Mother and daughter duo from 'Mommy and Me: The Listers' share frightening and spooktacular science activities you can do with your little ones.

These simple, DIY science experiments for kids will help kids learn while having a lot of fun. No special equipment needed!

Thought experiments can have some advantages over real experiments: they require no special equipment, are low-cost, can be ...