There’s rarely time to write about every cool science-y story that comes our way. So this year, we’re once again running a special Twelve Days of Christmas series of posts, highlighting one science ...

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The Flyception2 system displays the activity of a neuron known as mAL during copulation. Recordings included (from left) a wide 'arena' view showcasing a male fly (blue dot) and a female (red dot), a ...

Using CT scans, researchers visualize the internal dynamics of sexual intercourse in marine mammals. The research sheds light on evolutionary forces and has practical applications for conservation ...

When no pseudo-copulation occurred between the dominant and subordinate males, the subordinate male was killed by the sustained aggression of the dominant in half of the animal pairs observed. Here ...

The planet’s first act of sex happened 385 million years ago between two prehistoric fish called pacoderms, according to new research by Australian paleontologist John Long published in the journal ...