The Daily Galaxy on MSN

SPHEREx detects dramatic ice activity on interstellar visitor 3I/Atlas

The NASA SPHEREx mission has revealed an extraordinary surge of sublimation activity on the interstellar comet 3I/Atlas ...

SPHEREx imaging reveals increased sublimation activity on 3I/ATLAS

The interstellar object, 3I/ATLAS, was first discovered in July 2025, and made its closest approach to the sun (perihelion) in late October. New observations of 3I/ATLAS were taken in December from ...