A major milestone was reached at the International Space Station this week when an American astronaut completed the 100th US spacewalk—and did it while making a practical difference for the orbiting laboratory's energy future.

The historic excursion involved installing a new roll-out solar array on the ISS's port-side truss structure, combining celebration with essential maintenance. This achievement reflects decades of human spaceflight expertise and underscores how spacewalks remain vital for keeping the station operational and advancing our capabilities in orbit. Read the full story →

Today's takeaway: As we push further into space exploration, these spacewalks remind us that human ingenuity and technical skill remain essential for maintaining and expanding our presence beyond Earth.