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Mass extinction helped jawed vertebrates rise, study finds
About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...
The conservation of genome regulatory elements over long periods of evolution is not limited to vertebrates, as previously ...
A devastating ice age wiped out most marine life, yet new research reveals how this ancient disaster unexpectedly paved the ...
During a geological blink of an eye, glaciers formed over the supercontinent Gondwana, drying out many of the vast, shallow ...
While both species' blastula cells express the pou5 gene, a key stem cell regulator, the gene is not expressed in neural crest stem cells in lampreys. Losing this factor may have limited the ability ...
The Cambrian fossil record indicates that most animal phyla had diversified and inhabited the Earth’s oceans approximately 518 million years ago. But even though chordates—the group that includes ...
The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ancient jawed fish ancestors, according to a new study. The efficient ...
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