Gravitational waves: the cosmic whispers of the universe, like the echoes of a cosmic game of cosmic ping-pong.
Or maybe they're just the universe's way of saying, "Hey, you know what would be fun? If the stars were in a giant, cosmic blender, and I just hit puree!"
Learn about the science behind these cosmic ripples!, Check out some recent gravitational wave sightings!
Or, if you're feeling brave, report your own gravitational wave sighting!