Articles by William Harwood
Russians carry out spacewalk
Two veteran cosmonauts ventured outside the International Space Station Wednesday, swapped out materials science space exposure samples, installed handrails needed for future spacewalks and tested an applicator and thin-film coatings that could prove useful reconditioning aged or damaged hull panels.
Reporters remember Challenger coverage
Veteran CBS News correspondent Bruce Hall was not on the air when the shuttle Challenger blasted off 30 years ago Thursday. It was, after all, the 25th shuttle flight, the first of 16 planned for 1986, and news agencies were backing off expensive, remote coverage of what increasingly appeared to be a routine event.
Pluto’s floating mountains, intriguing structures fascinate scientists
Nearly six months after NASA’s New Horizons probe zoomed past Pluto, just one quarter of the data stored on board has made its way back to waiting scientists, revealing a surprisingly varied terrain that includes glacial flows and steep mountains of frozen water floating in a “sea” of slush-like nitrogen ice.