Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

GOTTFRIED LEIBNIZ, MATHEMATICIAN: When Isaac first explained his theory of gravity to me, I remember being impressed. Not by the theory, which, as far as I could tell, was basically that stuff falls ...

Every time a coffee mug drops, a satellite orbits or an astronaut floats, we are watching the same phenomenon play out under ...

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 ...

Newton's apple tree bound for zero gravity Sir Isaac Newton's famous apple tree is about to leave gravity behind. Flying aboard space shuttle Atlantis next week will be a 4-inch sliver of the tree ...

Astronauts on the International Space Station have given azero gravity tribute to famed 17th century scientist Sir Isaac Newton in honorof his pioneering work to understand the laws of gravity ? which ...

CAPE CANAVERAL, Fla. | Sir Isaac Newton’s famous apple tree is about to leave gravity behind. Flying aboard space shuttle Atlantis on Friday will be a 4-inch sliver of the tree from which an apple ...

While many people around the world are opening presents and gathering with family as part of honoring of the birth of baby Jesus, some science enthusiasts are also celebrating another kind of luminary ...

Here's a scene you've probably imagined countless times: Isaac Newton lounging beneath an apple tree, suddenly getting bonked on the head by falling fruit, and boom—gravity is discovered. It's the ...

CAPE CANAVERAL, Fla. — Sir Isaac Newton’s famous apple tree is about to leave gravity behind. Flying aboard space shuttle Atlantis next week will be a 4-inch sliver of the tree from which an apple ...