Icy Surprise from a Dying Star: JWST Finds CO2 Crystals
In a blazing foundry, any ice cube would vanish instantly. But tucked inside a thick mitten, it survives. Nature pulled a similar trick in the planetary nebula NGC 6302.
Comet Dust: A View from Orbit and the Lab
In March 2023, the James Webb Space Telescope pointed its instruments at the short-period comet 81P/Wild 2. This celestial body, about the size of a small town (nucleus radius around 1.77 km), is already familiar to scientists: in 2006, the Stardust probe flew through its tail and collected dust samples that were later studied in Earth laboratories.