A collision between galaxies was thought to create a feast of matter to be eaten by the huge black holes lurking in their centers. But new research indicates such galaxy crashes aren't responsible for the outbursts caused by gorging black holes.
The supermassive black hole is 40 million times as massive as the sun and powers a quasar that existed 700 million years after the Big Bang.
Vision Pro is here and it’s a surprisingly capable device. Apple has also loaded the headset with a ton of options and features that aren’t obvious at first glance.
Engineers expect to lose contact with the private US moon lander Odysseus on Tuesday, cutting short the mission after its sideways touchdown last week.
