Thanks to carbon dioxide emissions, Earth’s seas are getting both warmer and more acidic. Until now, the consequences of ocean acidification were thought to be mostly limited to marine animals that ...

The National Museum of Natural History has opened its newest temporary exhibition “X-Ray Vision: Fish Inside Out.” It features the X-ray images Smithsonian scientists use to better understand Earth’s ...

On a weekday morning in December, Eric Hilton reached down to a table covered in piscine paraphernalia: fish skeletons, piles of fish bones, colorfully dyed fish sitting in small, clear tubs of liquid ...