Reproduction

New Research

Orca Moms Might Go Into Menopause Because of Their Daughters

Competition could explain this evolutionary mystery

January 13, 2017

New Research

For Viruses, the Best Way to Infect Baby Is Through Mama

Some viruses might take it easier on women—to get to their children

December 14, 2016

Trending Today

21st Century Cures Act Tackles Postpartum Depression

The new legislation includes grants to help diagnose and treat this prevalent issue

December 13, 2016

New Research

Decades-Old Chemicals May Be Threatening Polar Bear Fertility, As If They Didn’t Have Enough to Worry About

A new study sheds light on how today’s pollutants could become tomorrow’s threats to wildlife and humans

December 2, 2016

Male Widow Spiders Prefer Younger Ladies—So They Don’t Get Eaten

This strategy means they live to mate again, upending assumptions about these arachnids

September 20, 2016

New Research

Give it Up, Sneaky Males: These Lady Fish Have You Outwitted

Female ocellated wrasses have developed a surprising trick to control who fathers their offspring

August 16, 2016

New Research

The Evolutionary Reason Why Women Orgasm

New research suggests the female orgasm is tied to ovulation, not reproduction

August 1, 2016

There’s No Wrong Way to Make a Tadpole (or Froglet)

Marsupial frogs, “vomit frogs” and foam-spewers reveal the glorious range of frog baby-making techniques

July 18, 2016

New Research

Mother Wallabies Are Delaying Births Due to Bright Lights

Marsupials exposed to artificial light had their babies a month later than those that spent nights solely lit by the stars and moon

September 29, 2015

A New Pregnancy Test Can Predict Twins, Down Syndrome and More

A U.K. company is developing a urine test that analyzes patterns of proteins for information about the health of an expectant mother and her baby

August 31, 2015

Trending Today

Excess Embryos: Families Are Now Adopting Unused Embryos Leftover from IVF Treatments

The practice is relatively new and touches on complicated legal and ethical issues

June 16, 2015

Cool Finds

Tortoise Defends His Lady in a Super Slow Chase

Here’s what happens when you interrupt two giant reptiles just trying to get in a bit of quality time together

March 23, 2015

New Research

These Moths Remember Where They Mated for the First Time

The locale of the African cotton leafworm moth’s first experience pairing up forms its future preferences, a new study shows

March 9, 2015

New Research

Old Male Bustards Have Less Desirable Sperm

Male birds don’t just lose their female-wooing prowess as they age, but also their ability to sire healthy chicks

February 3, 2015

New Research

Pollutants Are Making Polar Bears’ Penis Bones More Likely to Break

An industrial chemical contaminating the Arctic is further threatening a species already facing dire challenges

January 27, 2015

New Research

When Sperm Meets Egg, Zinc Sparks Fly

Billions of tiny zinc particles explode from the surface of mammalian eggs when a sperm cell touches down

December 16, 2014

Turn Your Birth Control On and Off With a Remote

Bill Gates is backing MicroCHIPS, a Massachusetts-based startup developing an implantable chip that releases birth control hormones on demand

November 3, 2014

Cool Finds

A Zoo Python Had Six Babies in a “Virgin Birth”

The 20-foot-long reptile hadn’t had a chance to meet a mate, but she still laid 61 eggs

October 27, 2014

Cool Finds

Newsflash: Technology Cannot Guarantee a Baby

The unregulated egg freezing industry is profitable for those involved, but prone to failure for those looking to get pregnant

October 27, 2014

Trending Today

For the First Time Ever, a Woman With a Transplanted Uterus Gave Birth to a Baby

Two more women with transplanted uteruses are due to give birth in the next couple of weeks, too

October 8, 2014