Spatial distribution of global trends in soil moisture over the past 40 years derived from multiple datasets (a–d show soil moisture indices). Credit: Communications Earth & Environment (2025).

The NASA Soil Moisture Active Passive (SMAP) mission, launched in 2015, has over 10 years of global L-band radiometry observations. The low frequency [1.4 GHz frequency or 21 cm (8 in) wavelength ...

University of Glasgow researchers developed compostable soil sensors that enhance crop yields and reduce electronic waste, supporting sustainable agriculture.

Researchers are also exploring whether radar using Rydberg-atom receivers could be used for measuring soil moisture.

Climate change and food and nutrition insecurity pose two of the greatest development challenges of our time. Yet a more sustainable food system can not only heal the planet, but ensure food security ...