Lava flows are masses of magma that pour onto the Earth's surface during an eruption; they include both moving lava and the resulting solidified deposits of black rock. Lava flows come in a great ...

For the best experience, please enable JavaScript in your browser settings. Flowing lava from the volcanic eruption of Mount Nyiragongo, which occurred late on May 22 ...

The production of a documentary film is never simple, but I seem inevitably drawn to subjects that pose particularly difficult challenges. On past projects, I have ventured with scientists and ...