NASA's SPHEREx Observatory Maps Interstellar Ice in Milky Way, Revealing Cosmic Water Origins
NASA's SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) has successfully mapped the chemical signatures of interstellar ice in the Milky Way. The observation, released on April 15, 2026, highlights the presence of water ice and polycyclic aromatic hydrocarbons in Cygnus X, a region known for active star formation. SPHEREx, launched on March 11, 2025, is designed to observe the sky in 102 different infrared wavelengths, providing detailed information about galaxies, stars, and planet-forming regions. The mission aims to understand the chemical processes that lead to the formation of water and other vital molecules in space, which are crucial for the development of life.