How boundaries become bridges in evolution

There's a paradox within the theory of evolution: The life forms that exist today are here because they were able to change when past environments disappeared. Yet, organisms evolve to fit into specific environmental niches.

Image: Hubble spots feathered spiral

The spiral pattern shown by the galaxy in this image from the NASA/ESA Hubble Space Telescope is striking because of its delicate, feathery nature. These "flocculent" spiral arms indicate that the recent history of star formation ...

Birds take flight with help from Sonic hedgehog

Feathers are amazing evolutionary innovations that allowed birds to conquer the sky. A study led by Matthew Towers (University of Sheffield, UK) and Marian Ros (University of Cantabria, Spain) and published in the journal ...

Ancient lice-like insects found to feed on dinosaur feathers

A team of researchers affiliated with several institutions in China, the U.S. and Russia has found evidence of ancient lice-like insects that fed on dinosaur feathers. In their paper published in the journal Nature Communications, ...

page 2 from 23