Ancient tropical South American forests were teeming with little rodents, similar in size to today's rats and mice. Now researchers have found traces of what may have been among the first rodents to ...

Analysis - Large wild mammals - from elephants to antelopes - are already struggling to cope with global warming. Now new research shows that even the small creatures adapted to harsh, arid landscapes ...

South African cities are increasingly facing challenges with rat infestations, particularly in urban areas where waste ...