A new model of inner Earth constructed by Arizona State University researchers pulls past information and hypotheses into a coherent story to clarify mantle motion.

Swedish researchers present in today’s Web edition of the journal Science evidence that their theory about the core of the earth is correct. Among other applications, the findings may be of significance for our understanding of the cooling down of the earth, and of the stability of the earth’s magnetic field.

The volume of data acquired by more than 50 Earth Observation satellites is increasing at an exponential rate and is providing unprecedented synoptic views of our planet. Because these satellites often use different methodologies, using data for trend analysis and environmental monitoring can be difficult, making it essential to establish globally recognised guidelines for Calibration and Validation processes.

China successfully launched Wednesday the third earth observation satellite jointly developed with Brazil, China's Xinhua news agency reported.

An ESA-backed project has demonstrated how Earth observation satellites can assist in the cross compliance measures - a set of environmental and animal welfare standards that farmers have to respect to receive full funding from the European Union - included in the 2003 reforms of the Common Agricultural Policy.