Maria Pinto leads mushroom walks around Greater Boston and helps people appreciate fungi for more than something we eat.

The Chesapeake Bay, home to blue crabs and striped bass, has a new apex predator: the blue catfish. It's invasive and voracious. It's also delicious, which officials hope might help save the bay.

Some of the healthiest coral reefs in the world are in the Pacific Ocean. One of the secrets to their success comes from something unexpected: seabirds.

Hurricane forecasters are increasingly using artificial intelligence to make predictions.

Bear cubs in distress often end up in rehab where they get food and care. NPR's Scott Simon talks to Colorado wildlife rescuer Nanci Limbach about the 31 cubs in her care this fall.

Intense rainfall slammed the Four Corners region late this week. As rivers flooded, towns declared evacuations and emergencies and made rescues.

Blistering record heat in Europe this summer helped kill more than 50,000 people, with nearly two-thirds of that death toll blamed on human-caused climate change, a new study found.

It's called a Kelvin wave, and it's driven by El Niño.

President Trump, famous for stripping protections from national monuments, is signing a bill to turn one into a national park. The land in southern Arizona is biologically rich and scenic.

The United Nations warns that countries are not meeting their goals to limit warming and avoid the worst consequences of climate change.