NASA discovers evidence of ancient water on unexpected asteroid
NASA's Lucy spacecraft has discovered evidence of ancient water on asteroid 52246 Donaldjohanson (DJ), a finding that contradicts where the rocky body should have formed.
Lucy discovered iron phyllosilicates on the surface of the asteroid through a flyby mission conducted in April 2025. Phyllosilicates can only be found where there is liquid water.
However, DJ revolves in the inner........
