Is North Korea going to war with South Korea?
North Korea is known for making big threats. But is this time different?
As North Korea and South Korea prepare for war, Internet outages abound
This is how war works in 2015.
North and South Korea trade artillery fire over the South's propaganda campaign
It's the most serious exchange of artillery fire at the heavily armed border in decades.
North Korea has apparently blocked Instagram
No one is sure why it was blocked—or whether other bans will follow.
U.S. attacked North Korea with the Stuxnet virus in 2010
Virus famous for successful attack against Iran used covertly.
North Korea executed a military leader who snoozed near Kim Jong-un
The hermit kingdom's sadistic tendencies continue to multiply.