Big Bang Theory: The latest science and discoveries

Astrophysicists say our universe might be shaped like a three-dimensional donut, meaning you could point a spaceship in one direction and eventually return to where you started.

Tendrils of galaxies up to hundreds of millions of light-years long may be the largest spinning objects in the universe, a new study finds.

Here's how we might stop the flow of time.

Scientists have recreated the first matter that appeared after the Big Bang in the Large Hadron Collider.

This week on the forums, the community takes on the concept of nothingness. We also discuss spinning in space and try a fun quiz!

For decades, cosmologists have wondered if the large-scale structure of the universe is a fractal — that is, if it looks the same no matter how large the scale.

Space.com caught up with Greene to discuss the importance of science education, why black holes are so interesting and whether a "theory of everything" breakthrough could be on the horizon.

But this may not be the end of the story.

Believe it or not, physicists are attempting to understand the universe when it was only a handful of seconds old.