For the first time, astronomers have directly measured a solar-system-size corona around a distant supermassive black hole, thanks to a rare cosmic alignment. When you purchase through links on our ...

New calculations have revealed that the super-energetic jets produced by spinning black holes could be a source for elusive dark matter particles. When you purchase through links on our site, we may ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers using ...