In County Leitrim, an area of Ireland hit hard by the Troubles and the Great Famine, townspeople are fighting what... more

We sing along at concerts. We chant at protests. We belt it out at birthday parties. Why do humans sing... more

In this special collaboration between Outside/In and Tumble Media, we answer a serious question about silly behavior: “Why do some... more

One piece of public land, two very different perspectives about how to use it, and the agency that somehow has... more

How one obscure federal policy designed to stop the cycle of flood damage is leading to opposite destinies.

One of the flashiest rescue stories of the last century, and what it tells us about the power of animal... more

Three sports. One court. What could go wrong?

From "Colorado Brown Stain" to Dr. Strangelove, we look at the weird history (and surprising science) behind fluoridated water.

When it comes to the environment, what should we expect from Trump’s second term?

The resurgence of tinned fish, fish wave feminism, and the sustainability of sardines.