Many people have worried that Ebola could evolve into a more deadly virus — or start spreading through the air. A study published Thursday alleviates these concerns.
Figuring out the penalty for not signing up for health insurance is just one complication. Tax filers who made more money last year than they anticipated may have to pay back some of their subsidy.
Health plans that require people to pay thousands of dollars up front cut costs in the first three years, a study finds. But no one knows if costs will rise later as people avoid preventive care.
A single genetic mutation might decide who ends up in bed with the sniffles and who heads to the hospital, because it shuts down immune system molecules called interferons.
The U.S. has lost a key base for counterterrorism operations. The proxy war between Iran and Saudi Arabia is heating up. And one more Middle Eastern state has dissolved into chaos.
Investigators looking into the crash of Germanwings Flight 4U 9525 this week now believe it was the result of a "deliberate act" of the co-pilot. If so, it wouldn't be the first time.
Administrators say that the Virginia institution has been grappling with financial troubles for decades. And they blame an increasing lack of interest in single-sex education.