These animals are mammals, but they are not fish. Many species of fish also care for their young with a devotion usually associated with mammals. Male jawfish, bettas and arowana incubate eggs in ...

Apr. 1, 2025 — A group of diatom species belonging to the Nitzschia genus, gave up on photosynthesis and now get their carbon straight from their environment, thanks to a bacterial gene picked ...

a prejudice or bias in favour of the interests of members of one's own species and against those of members of other species. Speciesism is often condemned as the same sort of bigotry as racism or ...

De-extinction, the science of resurrecting extinct species, is progressing in leaps and bounds. Here are six creatures that researchers could bring back to life — and one they've already revived.

Invasive species are non-native species that have been introduced to an ecosystem and have established there causing ecological damage. The study of invasive species involves questions about the ...