The US military gave North Korean leader Kim Jong Un a rare sneak peek at its fighter jet of the future this week when four F-35 Joint Strike Fighters equipped with a full payload of live bombs and missiles conducted a training flight over the Korean peninsula.

Earthquakes can happen suddenly; here are the top five things you should know about them.

Scott Pruitt, the top federal official responsible for protecting the environment, is surrounded 24/7 by a cadre of agents because of the high number of threats against him. CNN's Rene Marsh reports.

Five individuals were detained by the President of Turkey's security detail at an event in New York Thursday afternoon, but were later released, police confirmed to CNN.

Residents of Puerto Rico have started to survey the damage left by Hurricane Maria. CNN's Leyla Santiago has more.

Take a look at 32 photos of the week from September 15 through September 21.

A cigarette oozing fat. The clinical white glow of a pillbox. The distant green of a pharmacy sign. We might overlook it, but graphic design plays a major part in our perceptions of health and medicine. Through imagery and information, designers can have a massive effect on public health, helping us to identify symptoms and break bad habits.

President Donald Trump on Wednesday blamed his former campaign rival, Hillary Clinton, and her husband, former President Bill Clinton, for the North Korean nuclear crisis.

Spicer told ABC's "Good Morning America" he never 'knowingly' lied to the American people during his time as White House press secretary.

The death toll from the Mexico City earthquake rises to 273. CNN's Ed Lavandera reports on rescue efforts.

The US will provide a humanitarian aid package worth nearly $32 million to Rohingya who have fled violence in Myanmar's Rakhine State in recent weeks, the State Department announced Wednesday during the United Nations General Assembly in New York.