Instead of the big bang, some physicists have suggested that our universe may have come from a big bounce following another ...

The second law of thermodynamics demands that if we want to make a clock more precise – thereby reducing the disorder, or ...

In the strange, often unintuitive world of quantum physics, one mystery has stood out for decades: Can quantum entanglement be manipulated in a reversible way, like energy in a perfect heat engine?

Entanglement has now become the key resource in quantum information theory. It is being used in quantum teleportation and ...

Entanglement has now become the key resource in quantum information theory. It is being used in quantum teleportation and ...

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