A new typology helps explain why perpetrators target reproduction and why international law has been so slow to hold them accountable.

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

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

This article was reviewed by Felix Gussone, MD. Key Takeaways: Hormones play a major role in regulating metabolism, mood, ...

Quite an advantage in today’s world.

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

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

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

Beluga whales can disappear beneath Arctic sea ice for long stretches, which makes them far tougher to follow than many other whale species. That is why researchers have increasingly turned to ...

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

Scientists have uncovered a previously unknown cluster of brain cells that may help explain differences in social behavior ...

Brevard is releasing sterilized male mosquitoes to combat dengue fever, Zika and other mosquito-borne illnesses.