Cats injured in wildfires at risk of deadly blood clots

Risk of heart failure may increase with age due to Y chromosome loss

New research helping San Diego Zoo's effort to save the California condor — while the condors on the California coast are still struggling with DDT contamination, the new study reports that the birds in Baja Mexico, which live inland, have far fewer contaminants in their blood.

Machine learning identifies gun purchasers at risk of suicide