When mammals have offspring, both in the wild and in captivity, new life is celebrated. This is especially true for species ...

A children’s book that includes illustrations of animals mating will remain on the shelves of several Orange County middle school libraries after a divided school board vote, despite objections from ...

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 ...

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

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

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

A new study published in Science and led by Monash University biologists reveals that the energy cost of reproduction is far greater than previously believed. The research, led by Dr. Samuel C Ginther ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

New research reveals walking sharks reproduction involves no extra energy use, challenging long-held beliefs about marine ...