The collapse, captured by satellite images, occurred in East Antarctica — an area long thought to be stable and not hit much by climate change, scientists say.
Marina Ovsyannikova, who burst onto the set of a live broadcast holding a sign reading "No War," could be fined between 30,000 and 50,000 rubles when her case is heard on April 14.
International groups say Russian soldiers are threatening, detaining and even torturing Ukrainian journalists in occupied areas. One news editor says troops are holding her 75-year-old father hostage.
Thousands of Russians have left their country since their government began its invasion of Ukraine. Many have settled in Georgia, a country with a complicated history with its neighbor to the north.
The war over Ukraine's future is being fought on the ground, in the air — and through social media posts and viral videos that take advantage of America's deeply polarized politics.
Time reporter Simon Shuster recently returned from the Ukrainian-Polish border. Watching as U.S. planes brought in loads of weapons, he felt like he was standing on the brink of something massive.
Experts say the North's fast pace in testing activity shows its dual goal of advancing its weaponry and applying pressure on Washington over a deepening freeze in nuclear negotiations.