Scientists have obtained the first ever proof that black holes can lose energy. They've long believed that magnetic fields could suck energy out of black holes but didn't have proof — until now. The M87 supermassive black hole is emitting energy like "million-light-year-long Jedi lightsabers," the co-author of a new study said. AdvertisementScientists have long believed that black holes, which generally swallow up everything around them, can also lose energy. Space.com noted that Albert Einstein's theory of relativity predicted that black holes can lose energy and scientists have believed since the 1970s that magnetic fields can extract energy from black holes.

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Persons: —, Alexandru Lupsasca, George Wong, Space.com, Albert Einstein's Organizations: Service, TNT