Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly ...

"This work is a step toward understanding how quantum mechanics and gravity work together, a major unsolved problem in ...

The scientists who precisely measure the position of Earth are in a bit of trouble. Their measurements are essential for the ...