Though the next eruption will likely follow a similar path, thousands of homes ... brokers sell tiny lots consisting of nothing but lava rocks enclosed by lava walls for as much as $1,500.

This type of path adds polish to any type of yard ... Square pavers surrounded by tumbled black river stones or jagged lava rock look modern, while irregularly shaped stepping stones encircled ...

During the 2002 eruption, swaths of lava up to 165 feet wide tore down Nyiragongo's slopes, burning everything in their path. Tephra is a general term for fragments of volcanic rock and lava that ...

They found the rocks were rich in iron, which reveals details about the melt history of the lava and the loss of water and other volatile materials. Gordon Osinski, a planetary scientist at ...