NASA's James Webb Space Telescope has spotted a young star flinging heat-formed crystals outward on a cosmic conveyor belt, offering a new clue to how comets evolve.
Scientists have known that Mars has water for some years, documenting ice beneath the surface, moisture locked in soil, and vapour drifting through the thin atmosphere. The challenge facing future human missions isn't finding water on the Red Planet, it’s figuring out how to actually extract and use it.

