The idea is that the universe is actually eternal. It existed at all times, so there is no beginning to explain. The laws of physics themselves don’t seem to make any significant distinction ...

And if the universe had a beginning, what was going on before that? Our experience of the everyday world does not prepare us to grasp the concept of an infinite universe. And yet, trying to ...

in which the universe was eternal and unchanging. This argument ended when Arno Penzias and Robert Wilson found evidence of cosmic background radiation, which LeMaitre and other theorists had ...