The next soil sample that NASA’s Phoenix Mars Lander will deliver to its deck instruments will go to the fourth of the four cells of Phoenix’s wet chemistry laboratory, according to the Phoenix team’s ...

With sky-high fertilizer prices, you want to take a Goldilocks approach for applications — not too much, not too little but just right. How can you perfectly sync your rates to each field’s needs? “If ...

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

NASA's Mars Curiosity rover has used its Sample Analysis at Mars (SAM) and Chemistry and Mineralogy (CheMin) instruments to analyze its first scoop of Martian soil. These instruments allowed Curiosity ...

Scooping up a handful of dirt may seem simple, but for a robot operating on another planet, it’s a major operation. NASA’s Curiosity Mars rover is making itself ready to collect its first soil sample ...

One of the most common questions gardeners have is how to fertilize specific plants. Many plants have individual nutrient needs, but for all plants it is impossible to guess at what you need without ...

NASA's Mars rover Curiosity has swallowed its first tiny bite of Martian soil, after standing down for a spell while scientists checked out some strange bright bits in the dirt. The $2.5 billion ...