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 ...

AIR AND SPACE Supermassive black hole devours a star, blasts its remains at Earth The jetted beam was initially red in color before it decayed over four days and changed to a blue hue ...

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

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 ...

Researchers have discovered that black holes engage in a cosmic dance and a star-lit meal to vibe with each other in a cosmic love story fit for Valentine's Day.

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 ...

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 ...

A black hole is a region of spacetime where gravity is so intense that nothing, no matter how much energy it has, can escape.Inside the event horizon, gravity supersedes all other forces of nature.