The "black moon," a rare phenomenon that occurs during a new moon phase of the lunar cycle, will occur this weekend. But ...

The National Guard has been deployed many times historically. Experts say the president's decision to deploy the Guard as a blanket response to crime in D.C. is a departure from its intended mission.

An estimated 218,000 people in the U.S. are stateless or are at risk of becoming so. As a result of President Trump's aggressive policies, people without any citizenship are more vulnerable than ever.

The logistics of health care can be frustrating. If you have a bureaucratic horror story or need help with a tough question, reach out to Health Care Helpline from NPR and KFF Health News.