For a small number of animals, reproduction marks a biological endpoint rather than a stage in an ongoing life cycle. Death ...
A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.
The backstory: The law began as Senate Bill 53, authored by state Sen. Scott Wiener, a Democrat from San Francisco, to ...
Over 130 mammal species can delay embryonic development, giving their offspring the best possible chance of survival in ideal ...
In the animal kingdom, mating isn’t always about survival. From praying mantises to octopuses, some species die during or ...
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