
Articles by William Harwood


Astronauts complete bonus objectives in first in series of AMS repair spacewalks
Two astronauts ventured outside the International Space Station Friday for the first of four spacewalks to repair a $2 billion cosmic ray detector, breezing through work to prep the device for invasive surgery to splice in new coolant pumps and extend the instrument’s life probing the composition of the universe.

Complex spacewalk repair work begins Friday
After four years of brainstorming, custom tool development and training, two astronauts plan to venture outside the International Space Station Friday for the first of four spacewalks to repair a $2 billion cosmic ray detector. The excursions are considered the most challenging since work to service the Hubble Space Telescope.

Koch, Meir conclude first all-female spacewalk
Astronauts Christina Koch and Jessica Meir carried out history’s first all-female spacewalk Friday, floating outside the International Space Station and successfully installing a 230-pound replacement battery charger in the lab’s solar power system. The historic excursion was carried out in a blaze of public interest that rose all the way to the White House.

NASA names new chief of human space operations
Douglas Loverro, a veteran manager with broad experience in national security space operations, has been selected by NASA to lead the agency’s human space flight programs. He takes over at a critical moment as the agency assesses the readiness of new commercial crew ships amid a full-court press to land astronauts on the moon in 2024.


Alexei Leonov, world’s first spacewalker, dies
Legendary cosmonaut Alexei Leonov, the first human to walk in space — an experience that almost killed him — and later the commander of the Russian Soyuz spacecraft that docked with a NASA Apollo capsule, symbolizing a historic thaw in the Cold War, has died after a long illness, the Russian space agency confirmed Friday. He was 85.

Morgan, Koch continue battery replacement work on spacewalk
Astronauts Drew Morgan and Christina Koch floated back outside the International Space Station Friday and completed work to replace six aging batteries with three more powerful units in one of the lab’s eight solar power circuits. Three more spacewalks are planned over the next two weeks to replace another six batteries in an adjacent circuit.

NASA chief says SpaceX properly focused on Crew Dragon
NASA Administrator Jim Bridenstine visited SpaceX’s California rocket factory Thursday, toured the sprawling facility with founder Elon Musk and told reporters he is optimistic the company will be ready to launch the first piloted test flight of its Crew Dragon spaceship in the first quarter of next year.

First all-female spacewalk on tap later this month
After a spacesuit sizing problem prevented an all-female spacewalk earlier this year, astronauts Christina Koch and Jessica Meir will get a chance to make history Oct. 21 when they venture outside the International Space Station in the fourth of five excursions to install a new set of solar array batteries, NASA managers announced Friday.