On what might have been the proudest day of Jack Burns’s long career in astronomy, he was sitting on a beach. Orbital dynamics and launch schedules wait for no one, and Burns couldn’t move his ...

The first generation of stars that were born in the universe are a mystery. We can estimate when they existed and even how ...

Nowadays, the dark of night is interspersed with the light of stars. But before the stars were born, did light shine at the beginning of the universe? The short answer is "no." But the long answer ...

How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, three scientists formulate a new model: according to this, inflation, the ...

A team of physicists have proposed a new cosmological model – dubbed the "black hole universe" – that suggests that our universe did not begin at the Big Bang. For a long time the universe was assumed ...