Beginning in the mid-20th century, Western intellectuals began dismantling the concept of objective truth. Postmodern ...

Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed answers aren't straightforward.

Hints of a mirror cosmos have a way of gripping the imagination, and recent chatter about “first proof” of a parallel ...

For more than a century, physicists have suspected that the familiar three dimensions of space and one of time might be only ...

The famous double-slit experiment brings into question the very nature of matter. Its cousin, the quantum eraser experiment, ...