The long-awaited detection of gravitational waves has opened up a whole new world of astronomy. One of the key efforts is now ...

NASA Goddard Space Flight Center runs down the best-known Black Holes in the Milky Way galaxy and the Large Magellanic Cloud.

The size and spin of black holes can reveal important information about how and where they formed, according to new research.

The dinosaur species survived in the wild by staying close to one another to discourage predators and keep one another in ...

A phenomenon called gravitational lensing turned a galaxy into a "hall of mirrors of cosmic proportions," allowing for the discovery.

Archaeologists in Jerusalem have uncovered a 2,700-year-old black stone seal near the southern wall of the Temple Mount. This ...