In a new study, bats lap up vaccine-laced saline or chow down on vaccine-carrying mosquitoes. Will that have any impact on the flying mammal's immune system?

The U.S. says it will launch its heaviest wave of strikes yet inside Iran, as the Pentagon confirms four American airmen were killed when a refueling plane crashed in Iraq, bringing the number of U.S.

The FBI is investigating two attacks that happened on U.S. soil on Thursday, one at Old Dominion University in Virginia and another at a synagogue outside of Detroit.

The U.S. Central Command confirmed that at least four of six crew members on the KC-135 aircraft were dead, after the refueling plane went down in western Iraq on Thursday.

When Medicaid began sharing personal data with federal immigration authorities last year, it upended decades of explicit promises to patients. Now, even eligible immigrants fear getting the health ...

Supreme Leader, Mojtaba Khamenei succeeded his father, Ayatollah Ali Khamenei, who was killed by a U.S. attack at the beginning of the conflict.

Israel has carried out air strikes in central Beirut for the first time since the latest conflict began, displacing hundreds of thousands of people.

A record 280 political parties had registered by Thursday's deadline to participate in Haiti's first general election in a decade, hopeful for a chance to help ease their country's multiple crises.

New guidelines for managing cholesterol call for more aggressive prevention and earlier treatment, including a recommendation that all adults be tested once for lipoprotein(a), a genetic risk marker ...