Sitara Nieves

The California Public Health Department has halted the work of 13 genetic testing companies, barring them from selling tests without a doctor’s orders. Today the companies must detai...

The signs are all around us: salmonella outbreaks; riots over food shortages; fears over mad cow disease; water shortages; skyrocketing global food prices. These are portents for the ...

Saudi Arabia wants to call a meeting between oil-producing and oil-consuming countries to discuss record high prices. President Bush has called for the United States to be less depend...

This week, presidential candidates John McCain and Barack Obama travel to Nevada, Colorado and New Mexico. Though the three states account for 19 of the 270 electoral votes needed to ...

Chicago residents are now paying the highest gas prices in the country - an average of $4.07 per gallon. You might think that gas stations are thriving with high gas prices, but gas station owners are actually losing money.

For the first time in almost 50 years, West Virginia matters. The polls already foretell West Virginia primary’s likely outcome — a victory for Hillary Clinton — but the Democratic n...

The earthquake that struck China’s central region yesterday is the deadliest the country has seen since 1976. We talk with Roger Bilham, professor of geological sciences at the Unive...

The fight over voter identification requirements has heated up after the Supreme Court upheld Indiana's voter ID law. Nineteen states are considering new voter ID measures, but we foc...

The theme of Sunday's talk shows: Hillary is toast. But then again, anything could happen...

Vladmir Putin is expected to be confirmed as Russia’s Prime Minister today. Putin's nomination was the first official presidential act of newly sworn-in Dmitry Medvedev. The Takeaway asks: What’s ahead for Russia?

Guamanians head to the primary polls on Saturday...

Lisa Margonelli says this could be a day we all remember, when oil finally spikes to a price that makes us change our behavior.

Sign up here to join Harvard's oil crisis simulation, April 28, 2008. In 1988 I drove more than a thousand miles on a whim-fueled road trip to see an ichthysaur skeleton. The dirt ...

The last time that we saw gas prices rising this quickly was in the 1970s, when Americans responded by cutting their gas use by 30 percent. Lisa Margonelli, author of "Oil on the B...

The United States has spent millions per mile to build a border fence to keep unauthorized migrants out of the country, and recently, there has been a substantial drop in migrants arr...

Thirteen countries in the world ban HIV-positive visitors from entry, including Saudi Arabia, Russia, Sudan, Moldova... and the United States. We take a look at the ban and ask why that law has stayed on the books.