Reproduction
New Tools May Help Diagnose Fetal Alcohol Spectrum Disorders
If conditions stemming from exposure to alcohol in-utero can be better identified, then scientists can more effectively research treatments
Seahorses Aren't as Committed as Previously Thought
Pair bonds between the fish aren't as strong as you think
Female Dolphins Have a Fully Functional Clitoris
A new study finds surprising similarities between human and cetacean sexual anatomy
Biologists Rescue Unborn Baby Sharks at Fish Markets
Scientists are collecting egg cases from recently caught pregnant sharks, raising the babies and releasing them into the wild
A Brief History of the Sonogram
In the mid-1950s, a Scottish obstetrician became the first to apply ultrasound technology to a pregnant human abdomen
Two New Scimitar-Horned Oryx Calves Born Through Improved Methods of Artificial Insemination
The assisted reproduction method will help with population management efforts of these critically endangered species and their rewilding
After a Six-Year Sojourn in Space, Freeze-Dried Mice Sperm Produce Healthy Pups
Scientists say the finding supports the idea that genetic material can be shipped to other worlds to help establish a diversity of life
This Bird Mimics an Entire Flock to Woo Females
When mating, male lyrebirds reproduce a cacophony of calls usually reserved for when predator is nearby
For Constipated Scorpions, Females Suffer Reproductively. Males, Not So Much.
After the arachnids drop their tails, poop backs up until it kills them, but before that it can affect pregnancy
Mice Sperm Sabotage Other Swimmers With Poison
A study in mice found that poison-spewing sperm make others swim in circles, but carry the antidote for themselves
3-D Reconstruction of Fossil Reveals Secret Sex Life of Dinosaurs
The newly discovered orifice is the oldest known fossilized cloacal vent in existence
Smithsonian's Giant Pandas Will Continue to Cavort for Three More Years
A new agreement ensures that the Zoo’s beloved animals and the new cub can stay through 2023
Nine of the Weirdest Penises in the Animal Kingdom
A short list of some of nature’s most curious phalluses, from the echidna’s four-headed unit to the dolphin’s prehensile member
Giant Panda Mama Gives Birth to Baby Cub at National Zoo
The pink, squeaking infant is about the size of a stick of butter and will be named in 100 days
This Frog Mates With Two Females in an Unusual Love Triangle
Relationships like these are rare among amphibians, scientists say
Anglerfish Drop Their Immune Defenses to Find Love
Male anglerfish are major clingers. To avoid mistaking mates as foreign tissue, the deep sea couples lost part of their immune system in evolution
Researchers Discover How Human Sperm Really Swim
A new 3-D microscopy study overturns hundreds of years of reproductive science
First Soft-Shelled Dinosaur Egg Fossils Found
Twin discoveries reveal that some ancient reptiles laid soft-shelled eggs, challenging long-held assumptions in paleontology
For Dogs, Puberty Is Pretty Ruff, Too
Like human teenagers, a new study shows that canines exhibit heightened conflict behavior during adolescence
Illusionist Frog Attracts Mates Without Unwanted Attention From Predators
The simultaneous mating calls of the male pug-nosed tree frog confuses bats but not female frogs
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