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 ...

There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called ...

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.