Over the past two decades, the Gulf of Maine has become a popular landing spot for invasive species from across the world, says Geoffrey Trussell, an evolutionary biologist and professor at ...

Ned, a pale-bodied snail crawls across a leaf in a small town in the Waiararapa, New Zealand, on Aug. 22, 2025. (Giselle Clarkson via AP) I knew that there were right-eyed and left-eyed flounder, but ...

Snails have shells the moment they're born, but it's kind of hard to tell. In fact, it's hard to even see a baby snail. Some are nearly microscopic, such as Angustopila psammion, whose adult-sized ...