While no gravity in space is, let’s be honest, pretty cool, it comes with some downsides. Without the constant weight of the world on their shoulders, astronauts’ bones and muscles can grow weak.

Because of that awe-inspiring image, many of us wrongly believe that there is no gravity in space. But that belief is 100 per cent wrong. The gravity of every object (no matter how little mass it ...

General relativity tells us this photon would follow a classical path that aligns with the curves and contours of space-time from ... a "holograph — with no gravity. In this projection, the ...