The US economy may be in worse shape than it seems.
People are contacting their elected representatives more frequently. What happens next?
Anti-vaccine info online might have foreign roots and political aims.
A protein called collagen keeps us connected by keeping our tissues together. In recent years, it's gained popularity for restoring aging skin, with some people even saying you should drink it.
An economist unravels the seeming contradiction between stocks flirting with all-time highs and growing fears of a recession.
Carbon dioxide makes up less than one-twentieth of 1% of Earth's atmosphere. How does this relatively scarce gas control Earth's thermostat?
As vaping-related illnesses increase and deaths reported, an inhalation toxicologist explains why comparing the dangers of vaping to the dangers from cigarettes doesn't make sense.
After six deaths and hundres of cases of lung disease in the United States, most flavored e-cigarettes have been banned.
Presidential candidates and the current president have all talked about ways to lower drug costs, but experts know it is going to take more than politics to change how drugs are priced in the US.
The United Nations is calling on world governments to step up action against climate change. Can China, the world's biggest carbon emitter, fulfill its pledges?