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 ...

NASA has found a rock on Mars that it has dubbed Skull Hill. The rock is known as a "float rock," and NASA has no idea where it came from.

Nasa's Perseverance rover has spotted an out-of-place rock formation on Mars, which has been named 'Skull Hill.' Scientists are baffled by the mysterious feature.

After dealing with the constituents (minerals), and their relations (textures), he gives in summary some twenty-five systems of classification of the igneous rocks. As many of these are now of ...

The history of life on our planet is a long and winding path. Much of what we know about how life has evolved comes from fossils. The physical remains of organisms and the evidence of behaviors, such ...

"On Earth and Mars, iron and magnesium are some of the main contributors to igneous rocks, which form from the cooling of magma or lava. These rocks can include dark-colored minerals such as olivine, ...