Space on MSN

Astronomers baffled by 'mysterious disruptor' with a mass of 1 million suns and a black hole for a heart

The gravitational lens JVAS B1938+666 consists of massive bodies ranging from 6.5 billion to 11 billion light-years away, ...
The Nature Network on MSN

How astronomers measure distance without travelling anywhere

It’s a bit mind-bending to realise that everything we know about the scale of the universe comes from people stuck […] ...