Webb captured seven of Neptune’s 14 known moons: Galatea, Naiad, Thalassa, Despina, Proteus, Larissa...

This week in science

Webb spots Neptune’s rings and more: Understand the world through 9 images

NASA, ESA, CSA, STScI

NASA/JPL-Caltech/ASU/MSSS

NASA uncovered possible biosignatures on Mars the week of September 15–21, as the Webb telescope got the clearest view of Neptune in three decades.

Here are the biggest science stories of the week, told in 9 stunning images.

Historical/Corbis Historical/Getty Images