Articles by Cara Giaimo

Fossil Cycad National Monument held America's richest deposit of petrified cycadeoid plants, until it didn't.

Campers compared them to tomatoes and billiard balls.

The weeping willow's name is Cher.

Public Lab's DIY tools help communities keep tabs on the environment.

Why don't the rats want us to be online?

Five councils in Australia recently got stuck on the question.

The four-ton concrete sperm whale has been on the road since 2011.

A very specific arms race (claws race?) goes international.

Madhya Pradesh is now a whole lot greener.

When 2008-TC3 crashed into the Sudanese desert, not everyone was surprised.

Sun's out, buns out.

The synthetic material—forged in the blast of the first nuclear bomb test—has been buried, sold, collected, displayed, and even made into jewelry.

It's back in demand.

Patrons of one Philadelphia movie theater are learning this the hard way.

Bomber release buttons were the final push—literally—in the 1943 Dambusters raid.

Cyclist Marshall W. "Major" Taylor was the first internationally famous African-American athlete.

The mass of grease and baby wipes has been slowly amassing beneath the streets.

From wolves to penguins to tortoises, creatures of all stripes are discovering the joys of computing. Could it improve their lives?

Someone just sued over it.

"Nothnagle Log Home," a registered National Historic Site, could be yours for $2.9 million.

The innocent-looking "Blanda blank" is a pyromaniac.

Almost nothing is known about the hundreds of bottlenoses who spend their summers near D.C.—but a group of researchers is trying to change that.

The Downtown Hotel's famous "Sourtoe Cocktail" is now missing its garnish.

Back in the 16th century, the "Leo Belgicus" helped the Netherlands win a long war for independence.