As life on earth evolved, billions of creatures made the move from primordial ooze to life on land. For most, that eons-long transformation was a one-way trip. With the exception of amphibians—which ...

The old idiom of being a fish out of water is never a positive thing. Instead, it paints a picture of being uncomfortable or awkward. This is how most fish feel when they are removed from their ...

When you think about human evolution, there’s a good chance you’re imagining chimpanzees exploring ancient forests or early humans daubing woolly mammoths on to cave walls. But we humans, along with ...

You may have come across a meme showing an ancient fish known as a Tiktaalik. It shows illustrations of a green, eel-like, ancient fish. JUANA SUMMERS, HOST: Scientists say, around 375 million years ...

A visualization of Tiktaalik roseae, an extinct aquatic animal with fossils that shed light on the evolution of land animals from marine animals millions of years ago. Nobu Tamura via Wikimedia ...

When we think of fish, we imagine creatures that live deep inside the water, swimming with gills and fins in oceans, rivers, or lakes. But nature is often full of surprises, and among these are some ...

The transition from water to land is one of the most significant events in the history of life on Earth. Now, a team of roboticists, palaeontologists and biologists is using robots to study how the ...

The transition from water to land is one of the most significant events in the history of life on Earth. Now, a team of roboticists, paleontologists and biologists is using robots to study how the ...

Editor’s note: This story is part of a year-long series commemorating the 10-year anniversary of the Marine Biological Laboratory's affiliation with the University of Chicago. “Inelegant” is a ...

If you see it, kill it. An invasive fish species is harming the Mississippi ecosystem, and you can help stop it. Northern snakeheads (channa argus) are native to East Asia. They've been confirmed in ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – A new sighting of the so-called ...