KEY BISCAYNE, Fla. — A team of scientists from the University of Miami, the Florida Aquarium and Tela Marine in Honduras is ...

There are currently four main kangaroo species, all of which are endemic to Australia. Although kangaroos are in the same ...

Genetic analysis reveals bluebottles are actually four distinct species, overturning two centuries of scientific belief.

Now, scientists have worked out that the fearsome man o’ war is actually four species, not just one. Given how these siphonophores can travel the ocean surface with their gas-filled bodies and little ...

Although cichlid species can still interbreed, the inversions help keep species separate by preventing their genes from blending too much.

Instances of hybridization in other crocodilian species While alligators and crocodiles cannot interbreed, hybridization has been observed among certain crocodile species.

In a future where agencies can once again work to strengthen rather than weaken the Endangered Species Act, policies on hybrid and transgenic organisms should prioritize this fundamental ...

Louisiana has become home to numerous invasive species, some of them wreaking havoc on the state's environment. Here are the threats to the state.

The number of insect species is mind-boggling – and they are a critical part of the environment.

Today I learnt that tigons and ligers are what you get when lions and tigers interbreed?!’ surprised listener Jamz G tells the doctors. ‘What determines whether species can interbreed ...

The Neanderthal DNA found in modern human genomes has long raised questions about ancient interbreeding. New studies offer a timeline of when that occurred and when ancient humans left Africa.

If the trend continues, these groups could no longer interbreed or produce offspring, markers for the formation of separate species. Next, the team plans to sample more birds and study whether being a ...