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

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about 150 million years ago when a larger parent asteroid broke apart; its orbit ...

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

Back in 2007, the 150-million-year-old fossilized remains ... which lived between 66 and 68 million years ago. Piece by piece ...

Around 600 million years ago, Earth was home to strange, soft-bodied sea creatures, but a powerful asteroid impact in what is ...

which lived approximately 150 million years ago. "Until now, the oldest record of short-tailed birds dated from the Early Cretaceous. Baminornis zhenghensis is the only short-tailed Jurassic bird ...

Although they came into their own only after the extinction of the dinosaurs some 65 million years ago, mammals had maintained a low-profile existence for some 150 million years before that.

The early mammals that lived alongside the dinosaurs upwards of 150 million years ago (mya) were likely covered in dark and dusky greyish-brown fur, according to a quantitative reconstruction of ...

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They first appeared during the Triassic period, 215 million years ago, and thrived for 150 million years before going extinct at the end of the Cretaceous period. Their endurance record is almost ...

The end-Permian mass extinction occurred around 252 million years ago, and wiped out over 80% of marine species and 70% of terrestrial species due to extreme environmental changes including global ...