If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...

The universe's expansion means its size is bigger than its age suggests. The universe's expansion doesn't have a speed limit like objects within it. Distant galaxies move away from us as space itself ...

When we look for “the biggest” in the universe, it is important to specify our definition of the object of study. Is it something indivisible and with a neat boundary, like a black hole? Or do we ...

If recent discoveries that dark energy is evolving hold any water, our Universe will collapse under its own gravity on a ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...