A new paper released today documents the first soil, airfall dust, and rock fragment samples collected by NASA for return ...

Kandosols are red, yellow and grey massive earths. They generally have a sandy to loamy-surface soil, grading to porous sandy-clay subsoils with low fertility and poor water-holding capacity. A wide ...

This cold-hardy shrub blooms for nearly two months in fall and winter Reviewed by Barbara Gillette Witch hazel is a hardy ...

The colour of the soil is usually the first thing people notice. Mostly this is just the topsoil but it does not reflect the entire soil. The topsoil is usually darker than lower layers (or horizons) ...