Restarted

The March 21 hot fire test of the RS-25 certification engine marked the fourth in a series aimed at validating new engine production by Aerojet Rocketdyne, crucial for powering the Space Launch System during Artemis missions to the Moon. Credit: NASA/StennisAs <span class="glossaryLink" aria-describedby="tt" data-cmtooltip="<div class=glossaryItemTitle>NASA</div><div class=glossaryItemBody>Established in 1958, the National Aeronautics and Space Administration (NASA) is an…

In August, the federal government pumped the brakes its "free COVID test kit by mail" service, one of the most popular programs to come out of the pandemic, over fears that the American public would deplete the national stockpile of tests before the onset of winter. On Thursday, the White House announced that it has restarted the program in cooperation with the US Postal Service, though households will only receive half as many tests as before — four individual rapid antigen COVID-19 tests per household. We live in the…

Abbott Laboratories ABT -0.21% has reopened its biggest factory after a shutdown last month that dealt another blow to efforts to replenish the country’s short supply of baby formula. Abbott on July 1 reopened its plant in Sturgis, Mich., following a nearly three-week closure that stemmed from severe thunderstorms that blew through southwest Michigan, a spokesman confirmed on Sunday. The company has restarted production of its EleCare…

Scientists at Europe's physics research centre will this week fire up the 27 kilometer-long Large Hadron Collider (LHC), the machine that found the Higgs boson particle, after a shutdown for maintenance and upgrades was prolonged by COVID-19 delays.Restarting the collider is a complex procedure, and researchers at the CERN centre have champagne on hand if all goes well, ready to join a row of bottles in the control room celebrating landmarks including the discovery of the elusive subatomic particle a decade ago."It's not…