NASA images unveil origins of solar wind

NASA scientists have for the first time imaged the edge of the Sun, enabling them to describe the mysterious origins of solar wind. Ever since the 1950s discovery of the solar wind -- the constant......

Airlines go green as concern for environment takes off

From using bio-fuels to revamping in-flight food and drinks services, eschewing mass-produced chicken/eggs in favour of local, farm-raised options to offering eco-friendly toys for children,......