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.

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

What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

The satellites the world relies on for navigation, communication and more get their bearings from distant black holes – but ...

NASA compares the universe's biggest black holes with "each other and to our solar system," in this Goddard Space Flight ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...