@newscientist: Scientists have discovered black holes that grew way too fast 🕳️ Some of the earliest supermassive black holes were already hundreds of millions of times the mass of our Sun when the universe was still incredibly young. But there's a problem: according to conventional theories, black holes grow by swallowing matter or merging with other black holes. And there simply may not have been enough time for them to reach such enormous sizes. Could these mysterious giants have formed in a completely different way, perhaps even before the first stars existed? Tap our link in bio for the full video. #BlackHoles #Space