How the First Black Holes Are Born
In the first moments after the Big Bang, the universe inflated at an unimaginable rate. This inflation left behind ripples — tiny overdensities in the hot radiation and plasma.
How to Ignite the Big Bang
In the first moments after the Big Bang, the universe expanded at a terrifying rate. This process is called inflation, and it smoothed out all the wrinkles, making the cosmos homogeneous. But what started inflation itself?