The Army Black Hawk is said to have been flying higher than it should have been when it collided with a passenger jet, killing 67 people. And the air traffic controller on duty was doing a job usually ...
The study of PG 1553+153, in particular, shows evidence of a 20-year variation, pointing to a system of two supermassive black holes. If confirmed, this could provide new insights into galaxy ...
Related: Scientists followed a mysterious signal — and found 2 black holes gorging on something like never before There's just one problem: While some black holes are fairly obvious thanks to ...
ATLANTA – Sky watchers need not scan the heavens Monday in search of supernovas ready to collide in a dazzling display of star power ... many fans outside those two camps wish OSU and Notre Dame would ...