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Dogs cry with gladness when greeting their humans

Close up portrait of a dark grey standard poodle

The hormone oxytocin is probably responsible for the surge of tears to a happy dog’s eyes. Credit: Madoka Nakamura

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Nature 609, 12 (2022)


Updates & Corrections

  • Correction 22 August 2022: An earlier version of this story included the wrong page range for the reference. This has now been corrected.


  1. Murata, K. et al. Curr. Biol. 32, R869–R870 (2022).

    Article  Google Scholar 

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