The story of Isaac Newton's life. He discovered gravity, and the laws of motion that underpin much of modern physics. Yet he ...

Our understanding of the universe may be completely wrong.

ST. PETERSBURG, Fla. — It's a tale as old as time itself: Isaac Newton sat under a tree, got hit in the head with an apple and came up with the theories of gravity and motion. So, the story itself may ...

Alex Chadwick talks Ira Flatow, host of NPR's Talk of the Nation Science Friday, about new examinations of the theories of Galileo and Isaac Newton relating to gravity. This is DAY TO DAY. I'm Alex ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The idea of gravity as we know it has been around for a long time ...

STANFORD — What’s this tree hiding? A sapling on the Stanford campus is heir to scientific aristocracy, the descendant of the tree that legend says inspired Sir Isaac Newton’s Theory of Universal ...

Here’s what you’ll learn when you read this story: Einstein’s Theory of General Relativity, an immensely important update to Newton's Law of Universal Gravitation, is currently our best approximation ...