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Italian engineers say they've finally come up with a way to brew espresso on the ISS so astronauts can ditch the instant coffee. We asked: What's so hard about making coffee in space? Answer: A lot.

More than 550 police officers stayed home on Tuesday, apparently angered by big increases in health insurance costs. The number of "blue flu" cases has been increasing daily.

A smart thriller that's also urbane horror.BorgmanGrade: A-Director: Alex van Warmerdam ( The Last Days of Emma Blank)Screenplay: van WarmerdamCast: Jan…

Scientists at the National Institutes of Health made an unpleasant discovery as they cleaned out an old laboratory: The lab contained vials of the smallpox virus, previously unknown to authorities.

After missing a June 30 deadline, Argentina has a 30-day grace period to pay investors $539 million in interest. Otherwise, the country will default on its debts. Argentinian officials argue they can't make the payment without triggering other debt payments that would bankrupt the country.

In a speech in Oslo, U.S. Attorney General Eric Holder urged European partners to do more to find and disrupt plans of would-be terrorists who head to Syria — and, once trained, might return to the West.

Israel stepped up its air assault on the Gaza Strip. Unlike air strikes in the past, Israel has tempered its initial show of force, but the situation appears to be steadily intensifying.

South Sudan is approaching the third anniversary of its independence. For more on the world's newest country, its civil war and the resulting humanitarian crisis, Melissa Block talks with E.J. Hogendoorn, the deputy director of Africa for the International Crisis Group.

According to new research, plants can hear the sounds of insects chewing. A University of Missouri study reports that plants can recognize the sound of a predator using the vibrations of their leaves.

Amid crises on the U.S.-Mexico border and roiling protests in Murrieta, Calif., President Obama is requesting $3.7 billion from Congress to address the unfolding issues over immigration.