Supercomputers play a vital role in scientific discoveries — from helping us forecast climate change to discovering new drugs. We've rounded up the top fastest on the planet right now.

In June 2011, Japan’s K computer became the world’s fastest supercomputer, achieving a speed of over 8 petaflops — or 8 quadrillion (8 million billion) operations a second. In November the ...

It said that Edinburgh, the Scottish capital, had been nominated to host the computer, bringing high-skilled jobs to the area. According to TOP500, the current best supercomputer in the UK is the ...