The US government shutdown has lasted as long as 3.5 Apollo missions
The US government shutdown has interrupted studies of everything from distant galaxies to minuscule microbes since it began on 22 December. Thousands of federal researchers have been ordered to stay home, long-running experiments have been interrupted and academic scientists have been deprived of crucial funding.
Here are four ways of measuring the shutdown’s effects on science.
Additional reporting by Sara Reardon and Emiliano Rodríguez Mega.