Pulsars are some of the most reliable metronomes in the universe, and scientists are now using their flickering radio beams to keep time across the galaxy and sharpen the search for intelligent life.

Does the universe notice that we're paying attention to a quantum experiment? The answer goes against everything we thought we knew.

Artist Marco Ortiga first noticed wave interference, or the effect known as moiré, while working as a production designer working on a local TV show, when certain clothe would mess with the cameras.