The Crinoidea, a class of marine echinoderms, have long captivated palaeontologists as one of the most enduring and diverse components of the marine fossil record. Their evolutionary history spans ...

Three Endoxocrinus maclearanus flank a purple sea fan with a snake star at 2000 ft depth in the Bahamas. Image courtesy Bioluminescence 2009 Expedition, NOAA/OER If you didn’t get a chance to follow ...

The pebbles are prettier on the other side of Lake Michigan. Even amateur beachcombers know that the Dunes-area shoreline of Indiana and Michigan yields better rocks than Chicago’s gravelly man-made ...

A video has caught an underwater animal, which looks like a flower, practically jogging along the ocean bottom. The stalked crinoid spends most of its time sitting and catching food with the ...

The Eastern goldfinch is Iowa's state bird, and the wild rose is the state flower. Iowa's official rock is the geode, and the oak is the state tree. Now a group of seven Democrats in the Iowa Senate ...