For decades, the Big Bang has been accepted as the definitive explanation for the origin of our universe. But what if ...

In a discovery that sounds straight out of science fiction, astronomers have spotted a galaxy shaped like the infinity symbol ...

In the sprawling Hydra constellation, 137 million light-years away, lies NGC 3285B—a dazzling spiral galaxy recently ...

The bold question-askers at What If explore whether the Universe began with a Big Bang or a cosmic Big Bounce. Army reveals ...

Most of the universe is made up of hydrogen and helium atoms, which came into being after the Big Bang cooled down a little. Heavier atoms are formed during high-energy collisions in stars.

Supposing humanity is still around billions of years from now, scientists say it’s unlikely we would notice any distinct ...