It's a tick that hunts you down and transmits a potentially dangerous allergy to red meat. The New Yorker writer Burkhard Bilger discusses the lone star tick and the risks of alpha-gal syndrome.

Meteor Crater is one of the best-preserved impact craters on the planet. For years, visitors have wanted access to the bottom. Now for the first time ever, the narrow trail that leads to the bottom of Meteor Crater is open for guided tours.

A growing number of prominent U.S. scientists are taking jobs in other countries, including the U.K. They say Trump's impact on U.S. science funding is a factor.

Communities around the U.S. are putting on epic fireworks shows for America's 250th birthday — but that spells trouble for dogs and cats. Here's a guide to help the animals in your life.

Firefighters working on the nation's largest current wildfire, burning in southern Utah, are being challenged by historic weather conditions. Extreme wildfire behavior is expected to continue through the weekend.

Prof. Ajay Narendra from Macquarie University in Australia tells NPR about his team's discovery of a particularly rare, and high-powered, hunting method of the informally named "ballista spider."

It appears the two big earthquakes in Venezuela that occurred in rapid succession may have involved two separate fault lines. Several faults intersect in this tectonically complex region.

Hosts from NPR's science podcast Short Wave talk about an exoplanet with pink, salty clouds, the surprising social structure of ancient human relatives and the origins of laughter.

A man who volunteered as an otter spotter made some scientific discoveries along the way.

Dr. Christopher Kerr put together a tool kit for the dying and their families to help them talk about the experience.