New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

However, space agencies like NASA have made it possible for us to take a tour of the universe and know about mysterious star clouds, galaxies, and black holes, with high-definition images and data.

High-definition cameras and telescopes embedded ... The faint stars visible in the picture are the newly born ones with masses comparable to those of giant planets. The gas and dust surrounding ...