Biologists like to say that reproduction is the ultimate investment, a costly gamble that shapes everything from lifespan to ...

Quite an advantage in today’s world.

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...

Climate change has a wide range of effects on wildlife. It affects seasonal migration, reproduction times, body size and mass ...

Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

Meet the walking shark, a species of shark that can walk on land, survive low oxygen environments, and reproduce without ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Motherhood is entirely possible at the age 74—for some birds at ...

The improvements in animal care that have led to the aging population problem are laudable, but must now be accompanied by ...

City environments subject animals to noise, light, crowding, and fragmented habitats that subtly but powerfully reshape how they communicate.

Many mammal populations in European and North American zoos are aging – a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...