Imagine a cosmic battlefield. There are no weapons, but giant galaxies smash into each other, ripping apart interstellar mediums and creating shockwaves that run through the universe. This is pretty ...

Using telescopes capable of detecting X-rays, a team of astronomers has for the first time observed this area — called the “plunging region ... gravitational waves and the universal ...

This formation suggests a relativistic bipolar ... The dwarf’s mass loss could stabilize its inward motion, preventing it ...

These can become the thundering surges known as plunging waves. May through October is the best time to catch the action, but exceptional surf rolls in year-round. For the image above ...