Removing carbon dioxide from smokestacks and storing it permanently is one of the possible solutions to global warming, but remains expensive to do. A new technique could make carbon sequestration economical on a large scale, while producing useful materials on the side.

A panel of scientists involved in the anthrax investigations released new details.

A new study suggests that a surprising number of universes, even those with laws of physics different from those in our universe, can still support stars.

God doesn’t play dice, Einstein said in his critique of quantum theory. But any alternative theory to quantum mechanics would require certain quantum events to influence each other 10,000 times faster than the speed of light, physicists have shown.

Quantum encryption is here, but the laws of physics can do much more than protect privacy.