The history of the universe always feels hard to fathom. After the Big Bang, it is believed that the universe was filled with hot gas and light. Eventually, matter started to cool down, and the first ...

In the beginning, there was nothing. Then bang. Our Universe emerged in an explosion of light and energy. Current theories ...

Add Yahoo as a preferred source to see more of our stories on Google. The universe’s first molecule just surprised us again. In a discovery that could rewrite our understanding of how the first stars ...

About 13.8 billion years ago, the newborn universe was a blazing sea of energy and particles. Within minutes of the Big Bang, conditions had cooled enough for the very first atoms—mostly hydrogen, ...

Known as dinosaur stars for both their primeval nature and their immense size, Population III stars existed only when the universe was very young. At that time chemistry was simple. The stars would ...