The mice scurrying around their cage in Katsuhiko Hayashi’s laboratory do not look remarkable. They run, eat and sleep like others of their kind. But these eight rodents have an unusual origin story, ...

Researchers found that changes in gravity affect the reproductive process in plants. Gravity modulates traffic on the intracellular “highways” that ensure the growth and functionality of the male ...

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Scientists have discovered a sexual reproduction process in microalgae that helps them better understand algae and plant evolution. Their discovery could lead to new industrial applications for ...

A 100-million-year old piece of amber has been discovered which reveals the oldest evidence of sexual reproduction in a flowering plant -- a cluster of 18 tiny flowers from the Cretaceous Period -- ...

Male: By the tenth week of pregnancy, a fetus's gender is evident, and by week 14 sex organs have formed. Female: At 20 weeks, a female fetus has a fully developed reproductive system, replete with ...

Until recently, the only way to make eggs or sperm was the old-fashioned way: in the ovaries and testes. In the not-too-distant future, it may be possible to use cells from almost any part of the body ...

Butterflies (Papilionoidea) come in a remarkable variety of colors and patterns, from the orange majesty of the monarch to the lustrous red and blue of the peacock butterfly, but all butterflies ...

A mussel has been captured on video flapping its mantle in an attempt to lure a fish to involuntarily serve as a host for its larvae. The short clip, which was posted online by the West Virginia ...