Richard Collins looks at the evolution of the baculum or penis bone that has long disappeared from the human race but still appears in some mammals.

The methane emissions problem remains as acute, according to Richard Collins, who wonders, which creatures can help?

More raptor deaths were logged during 2015 than in any year so far, writes Richard Collins

P-22, a six-year-old male mountain-lion living in Southern California, became a minor celebrity when he was photographed walking past an American cultural icon; the famous Hollywood sign, with its 15m high lettering, in the Santa Monica Mountains. He has also sheltered under a house and broken into Los Angeles Zoo where he may have dismembered a koala, writes Richard Collins. 

IRELAND’S Environment — An Assessment 2016 has been published by the Environmental Protection Agency (EPA). 

Bigger-brained birds are better able to distinguish dangerous humans, writes Richard Collins

AN INTERESTING article, which was first published in the online journal The Conversation, is reproduced in the current edition of Scientific American, writes Richard Collins.