NASA’s Lucy spacecraft finds asteroid Donaldjohanson is tumbling through space
Asteroid Donaldjohanson does not move through space with the tidy, steady spin scientists often expect. It tumbles in…
Asteroid Donaldjohanson is Wobbly, Peanut-Shaped Object with Watery Past, Scientists Say
The main-belt asteroid Donaldjohanson, a heavily cratered fragment born from a catastrophic breakup 155 million years ago, appears…