In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending ...

Looking like a soccer ball with glowing blue eyes, the Japanese Experiment Module Internal Ball Camera-2 is put to test aboard the International Space Station.

Essentially, they are good approximations for mathematical explorations of the characteristics of slowly rotating objects in space. The Schwarzchild black hole is the "perfect" black hole to use ...

In 1983, Anna Fisher put on a spacesuit for what is now an iconic photo of one of the first U.S. women to fly into space. The black and white image caught Fisher's youthful optimism for the future ...