A black hole can feel like the most distant and unreal object you could ever think about, yet the way its darkness bends light may one day speak directly to the deepest parts of physics. If you have ...

An international team unveiled the first-ever image of the Milky Way's black hole on Thursday. Researchers say the image helps confirm predictions from Einstein's theory of general relativity. The ...

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works ...

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: [email protected]. One hundred years ago ...

A new solution to Albert Einstein's theory of general relativity suggests hypothetical gravitational stars that look like black holes could be nested within one another. When you purchase through ...

One hundred years ago today, in the wake of the first World War, a British astronomer watched a solar eclipse for signs that a German physicist may have been right about warps in the universe.