Albert Einstein proposed in 1916 that the universe was constantly being pushed and stretched by space-time waves undulating throughout the universe. A group of scientists won the Nobel Prize for ...

A century after Albert Einstein sketched out his radical picture of gravity, astronomers have now watched a black hole physically twist the fabric of spacetime around it. By tracking the death spiral ...

Aided by the gravitational pull of Venus and the sun, NASA's Parker Solar Probe became the fastest man-made object in history when it launched in August 2018—yet its top speed is still less than 1% of ...

A supermassive monster lurks at the center of our galaxy, and astronomers have now discovered that it’s spinning so fast it’s warping the very fabric of spacetime into a football shape. According to ...