Search results for

Years ago, scientists moved eggs of a federally threatened frog from Mexico to Southern California. Audio monitoring -- with an AI assist -- now shows the complicated conservation effort is working.

The Biden administration's first month includes dealing with the crises of COVID-19, the economy, and now a natural disaster. Plus, a new week for Texas Senator Ted Cruz, and it's not in Cancún.

Across the country, demand for electricity is on the rise — and so is the price of electric power.

Vienna has a way to make affordable housing and combat climate change all at the same time. Now U.S. cities want in, and they're building their own green housing.

Critics say the $2.6 billion floodwall project overlooks current climate risks and exposes flaws in how the federal government approaches major flood infrastructure.

The federal government is weighing whether to urge all Americans to wear masks when they leave their homes. Here's how to make and wear them.

Through a robotic vehicle, a team of scientists are the first to witness up-close the eruption of an underwater volcano. The volcano is not too far from a gigantic undersea trench where one continent-sized piece of the Earth's crust is grinding underneath another.

Fifty years ago, the U.S. Navy launched the world's first nuclear submarine, the USS Nautilus. Now a floating museum, the vessel shattered all submerged speed and distance records and eventually became the first to travel under the North Pole. Susan Perrin reports.

The North American gray wolf, wiped out at Yellowstone National Park in the 1930s, is thriving once again after being reintroduced less than a decade ago. Now the government is moving to end federal protection for the wolf under the Endangered Species Act. NPR's Elizabeth Arnold reports. See photos of the wolves from Yellowstone.

The Brood X cicadas have emerged, and residents in 15 states and Washington, D.C., are waking up in the morning to the roar of millions of insects looking for love. NPR's Melissa Block talks with experts Nathan Erwin Scott Harvey about the noisy creatures.