Female rats exposed to endocrine disrupters during early development end up with fewer eggs in their ovaries and are at risk of losing their ability to reproduce at an earlier age. The findings have ...

Researchers in Pennsylvania have discovered that naked mole rats can reproduce throughout their remarkably long lifespans, thanks to an infinite reserve of ova, or eggs. Unlike humans and other ...

African giant pouched rats have an exceptional sense of smell - they are used to detect land mines and tuberculosis - but scientists know very little about their biology or social structure, and ...