A hidden world of blue and black holes pockmarks the coastline and interior. Andros has 200 blue holes, the highest concentration in the world. Blue holes typically occur around limestone.

It's like a black hole but on earth. Scientists have identified what could potentially be the "deepest known blue hole" in the world -- which extends so far down that the bottom has not yet been ...

A new generation of black hole research is unfolding thanks to artificial intelligence, massive simulations, and cutting-edge ...

The first object is a very hot, blue star with 25 times the mass of the Sun, and the second is a black hole nine times more massive than the Sun. VFTS 243 is located in the Tarantula Nebula within ...

This composite simulated image shows how M87* is seen by the Event Horizon Telescope at 86 GHz (red), 230 GHz (green), and 345 GHz (blue). The higher the frequency, the sharper the image becomes ...

OK, so the no-hair theorem tells us that black holes can exhibit any of the charges of the fundamental forces, so we should be able to have a red or an anti-blue black hole, from a quantum ...

The jet, as you can see, is the wavy blue beam blasting out from the galactic core, home to the supermassive black hole (it has the mass of 5.4 billion suns). A Hubble view of a vibrant jet ...

Most spiral galaxies have a supermassive black hole lurking at its center. ... In the new image, the blue regions show the stellar distribution throughout the central region of Messier 106.