Female crickets are evidently more attracted to the older males of the species for mating. However, they end up having less sex than those who choose the younger males.
Animals May 25, 2019
The couple became the first to try effortless IVF, a new procedure that allowed both of them to carry the same baby. Their son, Stetson, was born this year and is now 5 months old.
October 31, 2018
If humans colonized Mars, some of them may want to reproduce on the red planet. Researchers discuss the challenges of having sex on Mars and the possibility of a new species.
Space May 31, 2018
Even the most noise-tolerant bird species are stressed by industrial noise pollution from oil and gas companies and the effects on them are precarious. Noise pollution, according to a study, is causing PTSD-like symptoms in birds that affect their reproduction.
Animals January 11, 2018
Maternal infections during pregnancy can lead to abnormal development of the fetus. The defense mechanism used by the mother’s immune system can influence the child’s brain development in the womb.
Healthy Living/Wellness March 21, 2017
A new study uncovered sperm cells move in a specific rhythm, which helps propel them toward the egg. The math behind their trajectory could help improve male infertility treatments.
Healthy Living/Wellness March 21, 2017
Heavy lifting and working at night shift may decrease a woman's fertility, according to a new study. The underlying mechanism remains unknown, but women who are trying to conceive are urged to consider these occupational factors affecting reproduction.
Healthy Living/Wellness February 8, 2017
Expanding development in suburban areas is forcing out songbirds from their shelter. In the process, they lose mates, and relocation imposes hardship in breeding and hampers successful reproduction.
Animals January 5, 2017
Swedish researchers found that same-sex sexual behavior among seed beetles is encouraged by genes that can benefit reproduction in the other sex. Find out how same-sex mating in beetles offers evolutionary gains.
Animals May 13, 2016
Scientists from China successfully grow mouse embryos in space on board the SJ-10 recoverable satellite, which carried 6,000 mouse embryos into orbit. A set of photos revealed that the embryos developed in about four days in zero gravity.
Space April 19, 2016
Sperm may swim independently and race toward the waiting egg. However, when in a viscoelastic fluid, they form groups and clusters.
Life March 19, 2016
Artificially-grown mouse sperm has been created and used to impregnate female mice, Chinese researchers report. Why do some scientists doubt the reports?
Life February 26, 2016
A team of fertility experts in Israel warns that exposure to mobile phones for even an hour could cause a significant decrease in the quality of sperm in some men. Research shows that those who kept their smartphones in their pockets during the day developed abnormal levels in their sperm concentration.
Life February 23, 2016
The daughters of pregnant rats given paracetamol had smaller ovaries, fewer eggs, and smaller babies - showing the effects of painkillers on reproductive health. These drugs also had consequences on the fertility of subsequent generations of rat models.
Life January 28, 2016
Biologists found that a certain species of lizard has the ability to raise its own body temperature during its mating reason to successfully reproduce and incubate their eggs.
Animals January 25, 2016
A new analysis highlighted in vitro gametogenesis (IVG) for human reproduction, particularly for same-sex couples. However, mounting scientific, social, and legal considerations will have to be addressed before the technology becomes a practical reality.
Life December 21, 2015
A team of researchers have found a hybrid inviability gene that is linked to the ability of species to successfully breed with others. It is believed that the gene is responsible for causing organisms such as fruit flies to have dead or infertile offspring.
Earth/Environment December 18, 2015
Women with uterine factor infertility are given hope to become mothers due to uterus transplants. There are several other treatments to restore or gain fertility, experts said.
Life November 16, 2015
Researchers found that while female fruit flies tend to have more sex partners in cooler climates, the insect’s genetics play a major role in whether or not they practice monogamy.
Animals October 27, 2015
At least 25 young British women who have never had sexual intercourse with a male partner have become impregnated through in vitro fertilization in the past five years.
Life September 28, 2015
Planning to have a family of your own? According to researchers, the point at which you should begin trying will be affected by several factors.
Life August 12, 2015
Ancient creatures called Fractofusus were so strange, they were unlike any modern plant or animal. Now, researchers believe they have uncovered secrets of the odd sex lives of these ancient creatures.
August 4, 2015
A tiny worm with a 'hypodermic' penis can inject sperm into itself to sef-fertilize, researchers find. The reproductive strategy is known as 'selfing.'
July 1, 2015
Researchers have found a gene that tells precursor germ cells whether to become sperm or eggs. When inactivated in female fish, their ovaries began producing sperm.
Animals June 15, 2015
A Belgian woman, who was severely sick when she was a child, had her ovarian tissues frozen. Now, she has given birth through the help of technology.
Life June 10, 2015
Smalltooth sawfish are the most endangered marine fish in the world. The discovery of sawfish with no genetic material from a father suggests that female sawfish reproduce all on their own when they can’t find a mate.
Animals June 1, 2015
The vampire squid may live longer than the coastal squid and octopus, and this has something to do with their unique system of reproduction. The deep-sea cephalopod alternates between a reproductive and resting phase.
Earth/Environment April 21, 2015
Humans adapt well to their environment. Researchers have found that with less emphasis on gathering food, a preference for men with more diplomatic capabilities grew.
Animals March 21, 2015
Hermit crabs with shy personalities have better sperm quality compared with bolder ones. Researchers say that by staying in their shell when threatened, the timid decapod crustaceans can conserve their energy, which can be used to build better sperm reserves.
Earth/Environment March 10, 2015
Species of frog in the jungles of Indonesia spurns egg-laying in favor of giving birth to live tadpoles. Newly identified species is the only frog to do so, researchers say.
Animals January 3, 2015
The Centers for Disease Control and Prevention just released a new report on contraceptive use among women. This included the most popular forms of birth control, and the findings will surprise you.
Internet Culture December 12, 2014
Males of a species of bustard bird may consume a toxic beetle to look more attractive during mating season, a new study shows. A toxic blister beetle can clear parasitic infections in birds.
October 30, 2014
The ancient fish Microbrachius dicki developed genital structures that facilitated the transfer of sperms from the males to the females suggesting the first known use of mating and internal fertilization for reproduction.
Animals October 20, 2014
Geckos sent into space to study effect of zero gravity on their mating habits died from equipment malfunction, Russian officials suspect. One male and four females did not survive 44 days in space, they say.
Space September 3, 2014
Female worms can be torn apart by killer sperm when they try to mate with members of another species.
Animals July 30, 2014
Young male cancer patients often become sterile, but a new discovery could give them the hope of - one day - having children of their own.
Life July 4, 2014
Men with two or more defects in semen or sperm that renders them infertile face increase risk of early death, study finds. Finding may apply to infertile women as well, researchers say.
Life May 19, 2014
Scientists have discovered a key protein that allows a sperm and egg cell to fuse during fertilization. The discovery could lead to further applications in reproductive health.
Life April 19, 2014