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 ...

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

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

Scientists at the Max Planck Institute for Biology have discovered a remarkably streamlined strategy for developmental ...

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

This story is part of a week-long series on reproduction, from prenatal testing to childfree Reddit. Reproduction is messy. The genetic swaps and recombinations that occur when gametes merge don't ...

Are you familiar with asexual animals? Asexual animals reproduce without involving sex or traditional fertilization. While this might sound strange, it’s actually quite natural—and even helps many ...

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