Many theories are rock-solid: Scientists have just as much confidence in the theories of relativity, quantum mechanics, ...

To people who think deeply about war, and know that it is hell, this vacuous bellicosity is hard to bear. Christopher Preble, ...

Is there a scientific reason why the universe exists? In other words, what is the science of why there is anything at all, ...

But this is no jargon-laden academic talk. Though Levitt is the inaugural recipient of the Fine Fellowship — a $4000 grant ...

A total lunar eclipse, where the full moon is completely obscured by the Earth's shadow, was visible across Japan in the ...