F rom space, planet Earth looks like a perfect sphere. But it’s not. Obviously, the crust of the Earth is irregular, covered in jagged mountains and deep oceanic trenches, but even if it were ...

For decades, quantum physics and general relativity have stood as two powerful but separate theories. Quantum physics explains the behavior of tiny particles like atoms and photons. General relativity ...

For close to a century, scientists have been trying to marry Albert Einstein’s General Theory of Relativity and quantum theory—our two best bets on understanding the universe on a macroscopic and ...

What if gravity repelled instead of attracted? This video explores how repulsive gravity could have shaped the history of the universe. Gravity was traditionally defined by Isaac Newton’s Law of ...