Former South Carolina Republican Gov. Nikki Haley announced Tuesday in a video that she will run for president in 2024.

Yevgeny Prigozhin, head of the Russian private military company Wagner, admitted on Tuesday to founding the Internet Research Agency, a notorious troll farm that the US government has sanctioned for interfering in American elections.

The war in Ukraine is at a stalemate, but that doesn't mean it's not changing. General David Petraeus predicts the war will look different this year with significant offensives likely staged by the two sides. Overall, the war continues to demonstrate basic weaknesses in Russia's military, which was ...

Ukrainian troops are training on advanced Leopard 2 tanks at a Polish military base, after Germany and other Western allies agreed to provide them. CNN's Nic Robertson reports.

A mass shooting at Michigan State University left three people dead and five others critically wounded. CNN correspondent Adrienne Broaddus has more.

CNN's Nick Paton Walsh investigates Russia's use of prisoners to fight the war in Ukraine.

New Zealand declared a National State of Emergency on Tuesday for the third time in its history as Cyclone Gabrielle pounded the North Island with wind and rain, knocking out power to tens of thousands of homes.

As the war in Ukraine continues, Russian troops face heavy losses at the hands of Ukrainians, CNN's David McKenzie reports.

Former Secretary of Defense Mark Esper weighs in on what he thinks the unidentified objects shot down over North America could be.

A United Airlines 777 leaving Hawaii in December plunged toward the ocean for 21 seconds shortly after takeoff and came within 800 feet of sea level, flight tracking data show.

The scenes are chaotic: Russian tanks veering wildly before exploding or driving straight into minefields, men running in every direction, some on fire, the bodies of soldiers caught in tank tracks.