"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Meiofauna are microscopic invertebrates that live between grains of sand,

Known as Dalhousiella yabukii, the worm resides inside a glass sea sponge—a simple marine animal that forms a glass-like skeleton—in the cold, dark waters off the coast of Japan. And it’s just one of a massive trove of marine animal species that scientists say they recently discovered.

Scientists have unveiled a new species of moth found only on the Greek island of Crete — and named it after Chicago-born Pope Leo XIV to honor his advocacy for the environment.

It took just 27 years for us to discover, formally describe, and drive a sea cow species to extinction. The Steller’s sea cow has the dubious honor of being the first marine species to be driven to

Scientists have uncovered a surprising twist in how cells behave when division goes wrong. Sometimes a cell successfully copies its DNA but fails to split into two, leaving it with double the genetic material — a mistake linked to aging,