The FAA's order to reduce flights nationwide goes into effect, the Trump administration will appeal a judge's order to restore SNAP funding, Trump's allies worry he's too focused on foreign policy.
A long-term study of the world's largest known community of chimpanzees has documented a rare event: what the researchers describe as the primate equivalent of a "civil war."
The year began with many people becoming U.S. citizens, but by December, fewer people were doing so, driven by ramped-up scrutiny of applications and eroding trust in the system.