A newborn bison calf in Yellowstone National Park had to be euthanized after a visitor handled it in May 2023 – a recent example of how trying to help wild animals often harms them.

A new report lays out steps communities can take to help their residents survive heat waves as the risk of dangerous temperatures rises.

Crowding is increasingly affecting all kinds of public lands. Adjoining communities need to find ways to manage it, or risk harm to the attractions that make them a destination.

Play deserts are areas where parks and other spots to run around and play are nonexistent, hard to access, or in less safe locations.

A Harvard Medical School study shows the sex hormone estrogen — thus far thought to be only a fuel for breast cancer growth — can directly cause tumor-driving genomic rearrangements.

Governments and wildlife advocates are working to protect 30% of Earth’s lands and waters for nature by 2030. An ecologist explains why creating large protected areas should be a top priority.

Invasive species cause billions of dollars in damage across the US every year. Hikers and backpackers can take simple steps to avoid spreading seeds and making the problem worse.

Lake Powell’s existential crisis is a unique opportunity to save a treasured landscape.