The largest black hole collision ever recorded has scientists' jaws on the floor — and scratching their heads.

Don’t listen to people who tell you the new Superman is woke. There’s a fun, big-hearted movie waiting for you and your family this summer.

A gravitational wave has revealed the biggest black-hole merger ever recorded—so massive and extreme, it defies current astrophysical models. The clash formed a 225-solar-mass monster, possibly made ...