Search results for

The visa waiver program allowed 20 million travelers into the U.S. last year. Many say it poses a bigger threat than the refugee resettlement program.

In West Africa, gunmen have taken over the Radisson Blu Hotel in Bamako, the capital of Mali. Reports say 170 staff and guests were taken hostage. The situation is ongoing.

National security officials and policymakers are pushing for tougher surveillance laws. Much of their effort focuses on forcing tech firms to give law enforcement access to encrypted smartphone data.

Researchers say pigeons can be trained to spot cancerous breast tissue on x-rays and slides. Gathering results from a lot of pigeons, "flock sourcing," brings the accuracy rate up to 90 percent.

Some schools have canceled trips to the nation's capital amid threats by the Islamic State. The 250 visitors from Claggett Middle School traveled anyway and got a welcome from the mayor.

The events at the Radisson Blu Hotel are unfolding. More than 100 people had been taken hostage by armed attackers. Dozens have either been freed or escaped.

In the spirit of American self-reliance, Charles Varle penned a personal guidebook for 19th century Americans.

French Prime Minister Manuel Valls says one more person has died, bringing the number of victims from the attacks to 130.

Some Americans unhappy with U.S. plans to welcome 10,000 Syrian refugees are threatening to move to Canada. Apparently they haven't noticed that Canada plans to take in 25,000 Syrians.

Gunmen took more than 170 hostages at the Radisson Blu hotel in Bamako, Mali's capital, on Friday. Here are photos of the drama as it unfolded.