Quite an advantage in today’s world.

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

New research shows that epaulette sharks, often called “walking sharks,” can produce eggs without increasing their overall energy use.

These “walking sharks” can lay eggs without spending extra energy, rewriting what scientists thought they knew about reproduction.

A new study shows there is a high cost of parenthood, quantifying the 10% “longevity tax” on reproduction. Consequently, mammals that have fewer or no offspring tend to live longer. But why does ...

Sexual reproduction is the production of a new organism from two parents by making use of their sex cells or gametes. The humans, fish, frogs, cats and dogs, all reproduce by the method of sexual ...

In India’s harsh deserts, spiny-tailed lizards subtly change diets with seasons, storing energy for winter and shifting food ...

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