On its final flyby of Mercury, NASA s Messenger spacecraft has captured images of never before seen regions of the planet. Messenger is providing new scientific findings about the closest planet to th
Scientists have discovered ultra-primitive material in stratospheric dust samples collected by high-flying aircraft. The material likely wafted into the atmosphere of Earth as our planet passed thro
Scientists widely accept that the Earth s atmosphere underwent a dramatic rise in oxygen 2.4 billion years ago, which ultimately paved the way for complex life on our planet. New research has helped s
Some scientists believe that we are on the brink of big changes in planetary exploration. Future robotic explorers might be nothing like what we see today, and the new technologies could have benefits