The main belt asteroid Donaldjohanson is now in sight as the Discovery Program mission prepares for a flyby of the object in ...

The Lucy mission to Jupiter's Trojan asteroids is currently cruising through the Asteroid Belt, and will fly close to asteroid Donaldjohanson in April.

NASA's Lucy spacecraft, on its way to Jupiter's Trojan asteroids, has its next target in its sights: the main belt asteroid 52246 Donaldjohanson.

Any given water molecule has been recycled through infinite evaporation/condensation cycles since simple cyanobacteria – living on plentiful carbon dioxide, water and sunlight on a warm earth – ...