In the blink of an evolutionary eye, the offspring of cavefish species blinded by a million years of utter darkness regained their sight. The findings, published today in Current Biology, come from ...

(Phys.org) —A team of researchers at Tel Aviv University in Israel has discovered a previously unknown navigational aid used by a species of blind fish. In their paper published in the Journal of ...

Millions of years ago, a small, unremarkable fish called the Mexican tetra started swimming into the caves of eastern Mexico. In the all-encompassing darkness of these limestone caverns, the tetras’ ...

Keep them in the dark for a million years. Then cross two strains of cave-dwelling fish, now totally blind. It turns out some of their kids will be able to see. Fish and other creatures lose their ...

Do animals that have evolved for millions of years underground, completely isolated from the day-night cycle, still "know" what time it is? Does a normal circadian clock persist during evolution under ...

Blind cavefish whose eyes have withered away may not be so blind after all. Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content. Instead, a ...

Add Yahoo as a preferred source to see more of our stories on Google. A living specimen of the new species, Sinocyclocheilus longicornus, in a laboratory tank. A living specimen of the new species, ...

Blind fish that spend their lives in dark, underwater caves have lost a huge chunk of their ability to hear, scientists report in the March 27 Biology Letters. Two of the fish species studied could ...

One small fish in Thailand could hold insights into the evolution of life on earth and how primitive ocean-dwellers developed into animals that could walk on land. Researchers from the New Jersey ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An international team of scientists has found a fish known to be among ...

Do animals that have evolved underground, completely isolated from the day-night cycle, still "know" what time it is? Does a normal circadian clock persist during evolution under constant darkness? A ...