The speed of light - exactly 299,792,458 metres per second – has already given us a lot of ideas about space and the universe, such as a lightyear which, in addition to being the surname of an ...

We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...

New research suggests black holes may transition into 'white holes', ejecting matter and potentially even time back into the universe, defying our current understanding of these cosmic giants.