Scientists studying Australia’s walking sharks found reproduction demands no extra energy, even under stress, raising new ...

New research from James Cook University has made the extraordinary discovery that epaulette sharks can reproduce and lay eggs ...

Reproduction involves making quality gametes – egg and sperm – which are essential for species continuity and therefore have huge implications for human health. The quality of the gametes is not only ...

The California condor is one of the rarest birds in the world, but now it seems that nature is giving it an unexpected leg-up. Scientists have discovered two condor chicks that were born from ...