Millions of tons of plastic slip into oceans every year. Some floats and travels slowly with the currents, endangering the health of marine animals. The rest is hardly visible but is far more dangerou
A massive tsunami caused by the strongest earthquake to ever hit Japan triggered the world's worst nuclear crisis since the Chernobyl accident 25 years earlier. The monster waves that crashed into the
Explores oceanographer Robert Ballard's discovery of the Titanic's remains and how the pictures and videos of the wreck renewed interest in the luxury steamship.
The biggest oil spill in U.S. history that polluted the pristine waters of Alaska decades ago and killed thousands of birds, mammals, and fish, still haunts the people who are living with its aftermat
The long-term damage from an accident at the Chernobyl nuclear power plant more than 30 years ago is still unknown. When explosions ripped through the reactor in rural Ukraine, then part of the Soviet
