Space is already filled with plenty of mysteries, and black holes may be among the strangest. Here are some of the questions ...

For years, astronomers have been puzzled by the presence of two gigantic, high-energy “bubbles” towering over and beneath the Milky Way’s center, extending 50,000 light-years into space. First ...

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where ...