More than half of Earth’s soil carbon lies deeper than scientists usually measure, potentially reshaping climate models.

Mars was a much warmer, wetter place once. Based on new images captured by the rover Curiosity, some geologists are saying there might be Earth-like soils on the red planet. Ancient fossilized soils ...

The amount of water stored on lands across Earth’s continents has declined at such staggering levels that changes are likely irreversible while humans are alive, a study published Thursday found. The ...

DURHAM, N.C. -- The dirt under our feet is being so changed by humans that it is now appropriate to call this the "Anthropocene (or man-made) Age," says a new worldwide overview by Duke University ...

The ground beneath our feet is exhaling. Steadily and without pause, through a process called soil respiration, plant roots and microbes release carbon dioxide (CO 2) into the atmosphere. In one cited ...

Earth Day is celebrated on April 22. On this day, citizens, educators, and activists from around the world join together in raising awareness of environmental concerns and protecting natural resources ...

For the first 4 billion years of Earth's existence, its continents were dusty, barren and rocky landscapes similar to the surface of Mars. But, around 500 million years ago, this all changed. Land ...