New technique pinpoints milestones in the evolution of bacteria

Bacteria have evolved all manner of adaptations to live in every habitat on Earth. But unlike plants and animals, which can be preserved as fossils, bacteria have left behind little physical evidence of their evolution, making ...

The eleventh Archaeopteryx

Researchers from Ludwig-Maximilians-Universitaet (LMU) in Munich report the first description of the geologically oldest fossil securely attributable to the genus Archaeopteryx, and provide a new diagnostic key for differentiating ...

A 508-million-year-old sea predator with a 'jackknife' head

Paleontologists at the University of Toronto (U of T) and the Royal Ontario Museum (ROM) in Toronto have entirely revisited a tiny yet exceptionally fierce ancient sea creature called Habelia optata that has confounded scientists ...

Biologists discovered the pathwaysof groups of the lophophore

Scientists from Moscow State University have proved that lophophorates - the invertebrates with special tentacular apparatus - are relatives. Scientists have examined some representatives of one of the phylum of this group. ...

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