The polar vortex of ultra-cold air usually spins around the North Pole, but it sometimes plunges south into the U.S., Europe ...

Here's why flags are flying at half-staff, and why President-elect Donald Trump isn't thrilled with the decision.

The Virginia state flag is becoming a symbol of resistance in South Korea, where impeached President Yoon Suk Yeol faces ...

Both supporters and critics of South Korean President Yoon Suk Yeol are using American symbolism, from the “Stop the Steal” ...

Here's what to know about why flags are lowered when a president dies, who can issue that order and how long the process lasts.