SAO PAULO, BRAZIL - The governments of Brazil and Sudan have signed a protocol of understanding for cooperation and bilateral communication in the areas of sanitary health, animal products and other animal husbandry affairs of mutual interest. The document was signed November 21, in São Paulo, by...

TUCSON, Ariz. - NASA's new robot on Mars has reached out and touched the soil for the first time, leaving behind a striking footprint-like impression, scientists said Sunday. The Phoenix Mars Lander's robotic arm was making a test run, just one week after its landing. The spacecraft, which is also...

By Julie Gordon (REUTERS) TORONTO (Reuters) - In the search for renewable energy, turning low-value materials like switchgrass and corn husks into ethanol to fuel cars is something of a Holy Grail. In theory, these materials would replace corn as the main feedstock for ethanol in North America,...