When a seismologist visited the site of the 2019 Ridgecrest earthquakes two days after the event, he noticed something strange. Pebble- to boulder-sized rocks clearly had been moved by the earthquakes ...

Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.

There's no question that Albert Einstein was one of the greatest minds of his or any generation, but there was one problem he ...