Add Yahoo as a preferred source to see more of our stories on Google. Magma becomes lava when it rises up to the Earth’s surface, like when the Nyiragongo volcano erupted in the Democratic Republic ...

While many rocks don’t burn, some of them do. It depends on what the rocks are made of – and that’s related to how they were formed. Rocks that burn when they get heated up are combusting. This means ...

OXFORD, England (Reuters) - Fifty years after humans first set foot on the moon, scientists believe rock samples collected by Apollo astronauts could help predict volcanic eruptions on Earth more ...