Science

Take a virtual tour of the darkest place in the world

Juan Carlos Casado

Of all the changes brought to the environment by human activity, the loss of the night sky may not be among the first most people think of.

But some research suggests it should be.

Reshma Gopalappa / EyeEm/EyeEm/Getty Images

The brightening of the sky by light pollution can interfere with sleep patterns, disrupt animal behavior, and even hide the cosmos.