What is gravity ‘made of’?

Time has occupied the greatest minds for centuries and we’re still none the wiser about its absolute nature. Although there’s nothing in physics that says time must flow in a certain direction, nor pr

The nature of time is one of the most profound and longstanding problems in physics – one that no one can agree on. From our perspective, time seems to steadily progress forward with each tick of the

Get sucked into an astronomical mystery as we get in a spin with the universe’s heaviest objects.

Ten years ago, on 14 September 2015, a new window on the Universe was opened, giving us a novel way of studying exotic, high-energy objects such as black holes and neutron stars: the first direct dete

An astrophysicist has made a daring proposal to send ...

Did you know? The nearest black hole is ...