These giant, circular arrangements of galaxies which appear throughout space are, in essence, the fossils of acoustic waves which froze when space became so vast that the waves could no longer ...

The LHC consists of an underground circular tunnel 27km in circumference ... among particle physicists themselves about whether a giant circular collider is the best option.

The 91km Future Circular Collider will cost around US$17 billion (S$22 billion). Read more at straitstimes.com.