SMRTR Science & EngineeringApr 23, 2026Science News

Clouds of water ice thread stellar nurseries in the Milky Way

SMRTR summary

NASA's SPHEREx space telescope has mapped vast clouds of water ice stretching hundreds of light-years across two star-forming regions in the Milky Way. These findings suggest water is widespread throughout the galaxy's planet-building material, potentially explaining how newly forming worlds develop oceans. Scientists believe much of Earth's own water may have originated as interstellar ice, making these discoveries key to understanding life's ingredients across the universe.

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