Of the roughly 250,000 known marine species, scientists think all ~126 marine mammals emit sounds – the ‘thwop’, ‘muah’, and ‘boop’s of a humpback whale, for example, or the boing of a minke whale.

Calling all parents! Does your child react strongly to everyday sounds like chewing, tapping, or slurping? Or perhaps your child doesn't experience these reactions at all? This study is recruiting ...

Ethiopian Orthodox Christians celebrate Timiket, or Epiphany, in Columbus, Ohio. This photo is part of “Sounds of Religion,” an educational Smithsonian poster exhibition that presents the history of ...