Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

These rocks really shouldn't be there. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The surprising discovery of volcanic, "igneous," rocks by ...

Volcanoes and contact metamorphism (existing rocks exposed to magma) have played an important role in the geologic history and diverse mineral composition of Arizona. From 1.8 billion years ago during ...

In a paper published in Earth and Planetary Physics, an international team of researchers studied the magnetic properties of ...

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 ...

The first samples from the farside of the moon contain signs of surprising volcanic activity near the lunar south pole. Two separate analyses of lunar rocks brought to Earth by China’s Chang’e-6 ...