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Supermassive black hole spotted 12.9 billion light-years from Earth — and it's shooting a beam of energy right at us
The newly discovered "blazar," which has a mass equal to 700 million suns, is the oldest of its kind ever seen and changes ...
What Is That Bright Light In The Sky After Sunset?
As soon as it gets dark, two bright lights become visible—the brightest in the southwest and an almost-as-bright light in the ...