A study of ancient stromatolites reveals that ammonium reservoirs in early Earth's oceans, likely influenced by volcanic ...

A rock formation in Minnesota has exposed some of the oldest rocks on the surface of the planet, and visiting it is a ...

Petrology is the study of rocks - igneous, metamorphic, and sedimentary - and the processes that form and transform them. Mineralogy is the study of the chemistry, crystal structure and physical ...

New research into fossilized rock formations in Zimbabwe is shedding light on Earth's nitrogen cycle before the rise of ...

Minerals are typically formed when molten rock, or magma, cools, or by separating out of mineral-rich water, such as that in underground caverns. In general, mineral particles are small ...

The rocks on Earth are constantly changing due to many different processes. There are three main types of rock, with rocks changing between each type over millions of years. This rock recycling is ...

A giant impact 3.8 billion years ago sent a curtain of rock flying away from a point near the moon’s south pole. When that curtain fell, its rocks plunged up to 3.5 kilometers into the lunar ...

Igneous intrusions are a type of rock feature. They form when molten rock cools below the surface of the Earth. Join Isla and Connor as they explore igneous rock landscape features at Traprain Law ...

It grew larger thanks to countless collisions between dust particles, asteroids, and other growing planets, including one last giant impact that threw enough rock, gas, and dust into space to form the ...