Legend has it that Isaac Newton had the moment of inspiration that would lead to his theory of gravity when, on a warm afternoon, he saw an apple fall from a tree and wondered why it should fall down ...

Centuries before anyone pointed a telescope at the sky, Isaac Newton figured out how gravity works. He showed that any object ...

Photos and videos of astronauts on the ISS show them floating around, but saying there's zero gravity isn't fully accurate.

Disney’s How NOT to Draw series was recently infiltrated by demonic Gravity Falls triangle Bill Cipher in “How NOT to Draw Grunkle Stan”. Here’s what happened in the How NOT to Draw Grunkle Stan short ...