Is it really possible that half of all people who have ever been age 65 or older are still alive today? We explore the ...

In polygamous mammals with strong competition, males generally die earlier than females due to battling other males for a mate. Many birds, on the other hand, are monogamous, which means that ...

Mammals vs birds: Among the 1,176 species studied, female mammals live on average 13 percent longer than males, while among ...

In most mammals, females live longer than males, but in birds the trend goes the other way – a study of over 1000 species ...

The reason why women tend to live longer than men has long eluded scientists, but an international team of researchers now ...

Profiles of the US president in The New Yorker and The Atlantic have attributed Trump’s avoidance of physical activity other ...