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Scientists have uncovered the genetic underpinnings of one of the ocean's most bizarre animals: a branching marine worm named Ramisyllis kingghidorahi that lives inside sea sponges and reproduces in a ...

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Researchers have uncovered evidence hinting that the most common bug spray ingredient, DEET, might cause reproductive problems by affecting the formation of egg cells during pregnancy. The findings ...

Male stolen (right hand side): one of the independent reproductive units – growing at the tip of a branch of the worm’s body. It has sprouted eyes and will go swimming free to find a stolon of the ...