Spirit is healthy and spent the last week studying light and dark soil in and around the rover’s tracks between “Home Plate” and “Mitcheltree Ridge.” Spirit collected additional soil data, including ...

image: An orbital view of Victoria Crater on Mars, showing the path of the Opportunity rover along the north rim. Mars rover scientists have launched a new long-term study on the Martian atmosphere ...

This image shows the Mars Exploration Rover Spirit probing its first target rock, Adirondack. At the time this picture was snapped, the rover had begun analyzing the rock with the alpha particle X-ray ...

Spirit's arm uses its microscope and two spectrometers to examine the rock named Adirondack. The alpha particle X-ray spectrometer measures X-ray radiation emitted by samples, from which scientists ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

NASA’s Curiosity Mars rover is a day away from finishing its thoroughgoing checkout period, and soon will begin driving in search of a good rock to touch with its robotic arm and analyze. Performance ...

Particle size analysis is crucial to quality control and product development in a number of key industries including aerosols, construction, food and beverage, paint and coatings, and pharmaceuticals.