Browsing: Lens_matter

If the constitution of nature itself were changing in time, how would you know?

To John Archibald Wheeler, the race to explain time was personal.

A bird’s-eye view on life and the universe.

How to see yourself in a world where only math is real.

What happened before the Big Bang?

Why the Milky Way looks like it spirals.

Want to see evidence of other universes? Just look up.

Our home in the universe continues to rock out of control.

Searching the heavens for our sun’s family.

The Elephant’s Foot could be the most dangerous piece of waste in the world.