Feather stars, or crinoids, are equipped with at least five colorful arms that aren’t just for show—these marine invertebrates use their picturesque limbs to gather food. NIH’s plan to reduce indirect ...

Resembling an alien or a Lovecraftian horror, the Antarctic strawberry feather star (Promachocrinus fragarius) is one of four new species of crinoids that scientists found at the bottom of the ...