NASA faces setbacks with the Lunar Trailblazer and Voyager 2, while SpaceX launches a lunar lander and prepares for a crewed mission to the space station. Read more...

This week in science: Genetically engineered mice with woolly hair, NASA saves power on Voyager, lunar landers, and a butterfly population decline in America. Read more...

NASA is powering down instruments on the Voyager 1 and 2 spacecraft to conserve energy and extend their missions, potentially reaching their 50th anniversary in 2027. The move comes as the probes face diminishing power and technical challenges. Read more...