The amazing return of the starfish: species triumphs over melting disease

After a mysterious 'mass mortality event' turned ochre stars to goo, experts say rapid evolution may have saved the creatures

Five years after a mysterious virus wiped out millions of starfish off the western coast of North America, causing them to lose legs, dissolve into fleshy goo and taking various species to the brink of disappearance, scientists have announced a remarkable reversal.