"These relics are effectively fossils of the planet formation process, holding vital clues to deciphering the history of our solar system." ...

Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

Donaldjohanson formed about 150 million years ago when a much larger asteroid broke apart. Since then, its orbit and spin ...

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about ...

Just as the Lucy fossil provided unique insights into the origin of humanity, the Lucy mission promises to revolutionize our knowledge of the origin of humanity's home world. Donaldjohanson is the ...

That skeleton was named "Lucy." The spacecraft named after that ancient hominid is also exploring fossils, in the sense that asteroids are leftovers from the dawn of the solar system and can tell ...

Lucy is preparing for a close encounter with the asteroid Donaldjohanson, a key milestone before its groundbreaking journey ...

named for the paleoanthropologist who discovered the Lucy fossil. Lucy will then go on to study six diverse and scientifically important Trojans -- Eurybates, Polymele, Leucus, Orus, and the ...

“The Lucy fossil really transformed our understanding of human evolution, and that’s what we want to do is transform our understanding of solar system evolution by looking at all these ...

Of all primates living today, only we humans walk fully upright. But Lucy and other fossil finds reveal that more than 3 million years ago, a relatively small-brained, ape-faced human ancestor ...