In the icy depths of Lake Baikal, the world’s oldest and deepest freshwater lake, a robotic expedition has uncovered stunning geological secrets that were previously hidden beneath the surface. Known ...

Lake Baikal stands as nature's most remarkable freshwater laboratory, offering scientists a unique window into climate ...

Russian scientists suspended a mission to explore the world's biggest lake on Wednesday after one of their submarines collided with a floating platform, media reported. The accident took place after a ...

Wearing nothing but a bathing suit, a swimming cap and an underwater mask, the 40-year-old woman plunged into a carved-out section of a frozen Siberian lake, before diving under the ice to swim in ...

Yekaterina Nekrasova, who took up free diving four years ago, then held her breath for a minute and a half as she covered the 85 meters (279 feet) of a frozen Lake Baikal on January 7 -- the Russian ...