Todd Pusser / Star nosed mole {Condylura cristata} in leaf litter, North Carolina, USA. Dead specimen, found by photographer and photographed in-situ.

SCOTLAND: The Big Picture / Lone Scot's pine tree (Pinus sylvestris) and star trails with the north star, Abernethy forest, Cairngorms National Park, Scotland, UK.

Benjamin Olson / Cave at night during polar vortex, Lake Superior, Tettegouche State Park, Minnesota, multiple exposures

Tim Fitzharris / Arch and Milky Way, Alabama Hills, Sierra Nevada, California

Alex Mustard / Portrait of a Nudibranch (Flabellina pellucida) on a kelp frond with star trails. Gulen, Norway. North East Atlantic Ocean.

Jeff Foott / Milky way over arch, Turret Arch, Arches National Park, Utah

Ingo Arndt / Milky way over sandstone rock formations, Badlands National Park, South Dakota

Jeff Vanuga / Night stars over Yosemite Falls, Yosemite National Park, California, USA, May 2014.

Tim Fitzharris / Saguaro (Carnegiea gigantea) cactus at night, Saguaro National Park, Arizona

John Cancalosi / American bullfrog (Lithobates catesbeianus) swimming near Water lilies (Nymphaea sp) Washington DC, USA. July.

Solvin Zankl / Deepsea Basket star (Gorgonocephalus lamarckii) specimen, from the North Atlantic near Iceland.

Sean Crane / Bat Star (Asterina miniata) trio at low tide, Montana De Oro State Park, Los Osos, California

Charlie Summers / The Pleiades or Seven Sisters (M45), a star cluster in the constellation Taurus, taken 26 September 2014 from Eastern Colorado. Taken with digital focus stacking.

Constantinos Petrinos / Peacock-tail anemone shrimp (Periclimenes brevicarpalis) living commensally with the Branching Sea Anemone (Actinodendron glomeratum). Lembeh Strait, North Sulawesi, Indonesia.

Alex Mustard / Plumose anemones (Metridium senile) and common starfish (Asterias rubens) beneath the sun in a Norwegian Fjord. Gulen, Bergen, Norway. North East Atlantic Ocean.

Jeff Rotman / Northern Sea Stars (Asterias vulgaris) feeds on bed of mussels. Cathedral Rocks, Gloucester, Massachusetts, New England USA - North Atlantic Ocean.

Jack Dykinga / Star trails in sky over Alabama Hills, BLM eroded granite formation know as Mobius Arch. Eastern Sierra, California. May 2012.

Charlie Summers / The transit of Venus across the face of the sun, with visible sunspots, as seen from Aurora, Colorado, USA, 19.51 local time, 5 June 2012.

Onne van der Wal / Bacardi Star Regatta, Miami 2009.

Juergen Freund / Blue sea star on massive Boulder coral (Gardineroseris planulata) North Sulawesi, Indonesia. This coral species is normally found from the Red Sea to Central America, and is relatively uncommon in the...

Juergen Freund / Star shaped Pincushion / Pillow cushion starfish (Culcita novaeguinea), detail of the underbelly. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Star shaped Pincushion / Pillow cushion starfish (Culcita novaeguinea), detail of the underbelly. Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Friant's sea star (Nardoa frianti), close-up of skin of the upper side. North Raja Ampat, West Papua, Indonesia.

Jim Brandenburg / Thickspike Gayfeather (Liatris pycnostachya) flowering on tallgrass prairie, Crow-Hassan Park Reserve, Minnesota

Floris van Breugel / Long exposure to capture star trails circling around the North Star, Polaris, at the "Racetrack," a remote desert playa (dry lake bed) in Death Valley National Park, famous for its mysterious moving r...

Floris van Breugel / Aerial view of spring wildflower displays, Phacelia (purple) San Joaquin Blazing Star (orange) and Coreopsis (yellow) Temblor Range, Carrizo Plain National Monument in California, USA, April 2010

Floris van Breugel / Aerial view of spring wildflower displays, Phacelia (purple) San Joaquin Blazing Star (orange) and Coreopsis (yellow) Temblor Range, Carrizo Plain National Monument in California, USA, April 2010

Sue Daly / Large group of Sunflower sea stars (Asterias / Pycnopodia helianthoides) covering rock, pacific coast, Canada, August

Sue Daly / Large group of Sunflower sea stars (Asterias / Pycnopodia helianthoides) covering rock, pacific coast, Canada, August

Jim Brandenburg / Thickspike Gayfeather (Liatris pycnostachya) flowers with eagle-shaped cloud, Touch the Sky Northern Tallgrass Prairie National Wildlife Refuge, Minnesota

Georgette Douwma / False fire urchin (Astropyga radiata) grouped on sandy bottom. Lembeh Strait, North Sulawesi, Indonesia.

David Shale / View inside the mantle of the deepsea Octopod {Grimpoteuthis discoveryi} Mid-Atlantic Ridge, North Atlantic Ocean

Jack Dykinga / Hoodoo formations of heavily banded sandstone at night with star trails, Navajo Reservation, Arizona, USA

Jack Dykinga / Saguaro cactus (Carnegia gigantea) lit up at night with star trails, Cabeza Prieta National Wildlife Refuge, Arizona, USA

Jeff Vanuga / Historic Barn illuminated at night by the light of a full moon, Mormon Row, Grand Teton National Park, Wyoming, USA, May 2009

Jeff Vanuga / Lone Star Geyser erupting in Lone Star Geysyer Basin at night, Yellowstone National Park, Wyoming, USA, October 2007

Konrad Wothe / Giant Green Sea Anemone (Anthopleura xanthogrammica) group, Goose Barnacles (Lepas anserifera) group and Ochre Sea Stars (Pisaster ochraceus) at low tide, Olympic National Park, Washington

Jack Dykinga / Night sky with trails of stars rotating around the North Star with a Saguaro Cactus (Carnegiea gigantea) silhouetted in the foreground, Cabeza Prieta NW Refuge, Arizona, USA

Jeff Rotman / Northern Sea Star (Asterias vulgaris) regenerating lost arms. New England, USA, Atlantic Ocean.

Jack Dykinga / Saguaro Cacti (Carnegiea gigantea) silhouetted against night sky with star trails, time exposure for 5 hours after midnight, Cabeza Prieta National Wildlife Refuge, Arizona. New Years 2000

Doug Perrine / Star coral {Montastrea annularis} releasing bundles of sperm and eggs, Florida, USA.

Jim Brandenburg / Aurora borealis, Northwoods, Minnesota

Patricio Robles Gil / Sea Star on rocky beach, Baja California, Mexico

Jim Brandenburg / Monarch (Danaus plexippus) butterfly group resting on Thickspike Gayfeather (Liatris pycnostachya) flowers, North America

Tim Fitzharris / Startrails over Shiprock in four corners region, New Mexico

Norbert Wu / Morning Sun Star (Solaster dawsoni) fed on by Rose Anemone, Queen Charlotte Islands, Canada

Flip Nicklin / Sea Star, Anemones and Coralline Algae living 40 feet below the water surface, Admiralty Inlet, Lancaster Sound, Nunavut, Canada

Flip Nicklin / Brittle Star, Admiralty Inlet, Baffin Island, Canada

Michio Hoshino / Aurora borealis over forest, Alaska

Jim Brandenburg / Giant Sequoia (Sequoiadendron giganteum) and star trails in King's Canyon National Park, California

Fred Bavendam / Variety of small reef fish swimming in the currents above a Hard Coral reef with Sponges, Ascidians, and a blue Sea Star, Manado, North Sulawesi, Indonesia

Fred Bavendam / Feather Star (Oxycomanthus bennetti) group clinging to the lip of a large sponge, Manado, North Sulawesi, Indonesia

Michio Hoshino / Aurora borealis showing the North Star and Big Dipper, Alaska

Michio Hoshino / Aurora borealis showing the North Star and Big Dipper, Alaska

Fred Bavendam / Sunflower Sea Star (Pycnopodia helianthoides) crawling amidst Kelp, Sponge, Sea Anemones, Sea Urchins, and a Sculpin, Quadra Island, British Columbia, Canada

Fred Bavendam / Common Comet Star (Linckia guildingii) in an unusual lavender color variation, it is typically beige or yellowish in color, Manado, North Sulawesi, Indonesia

Juergen Freund / Seastars in tide pool split level {Asteroidea} Canadian pacific coast

Pascal Kobeh / Reef covered with Clams (Mesodesma arctatum) and Common starfish (Asterias rubens) Gulf of Saint Lawrence, Canada

Georgette Douwma / Kaleidoscopic image of brittle star (Ophiothrix sp), North Sulawesi, Indonesia.

Nick Garbutt / Common knapweed (Centaurea nigra), close up. North Tyrol, Austria, June.

Nick Garbutt / Common knapweed (Centaurea nigra) in ancient alpine meadow with hut. in distance, North Tyrol, Austria. June 2018.

Christophe Courteau / Stars Trails around the North Star, above sea and National Fort, Saint-Malo, Brittany, France.

Alex Mustard / Pair of crown-of-thorns sea stars (Acanthaster planci) feeding on a coral colony. La Paz, Baja California Sur, Mexico. Sea of Cortez, Gulf of California, East Pacific Ocean.

Jack Dykinga / Eroded 'Pot Holes' full of rain water at night with the Milky-way and shooting star , Bears Ears National Monument, Echo Mesa, Utah. USA. November 2018.

Nick Hawkins / A common sea star (Asterias rubens) mixes with the benthic lsea life life off Bonaventure Island, Gulf of Saint Lawrence, Quebec, Canada. September.

Chase Dekker / Stars above arches, Windows Section, Arches National Park, Utah

Chase Dekker / Northern lights, Teklanika River, Denali National Park, Alaska

Chase Dekker / Stars above Double Arch, Arches National Park, Utah

Georgette Douwma / Dalmatian linckia starfish (Linckia multifora). North Sulawesi, Indonesia.

Georgette Douwma / Dark red-spined brittle star (Ophiothrix purpurea) and Colonial anemones (Amphianthus nitidus). North Sulawesi, Indonesia.

Georgette Douwma / Dark red-spined brittle star (Ophiothrix purpurea). North Sulawesi, Indonesia.

Georgette Douwma / Dark red-spined brittle star (Ophiothrix purpurea) North Sulawesi, Indonesia.

Paul Williams / Ochre starfish (Pisaster ochraceus) Goose barnacles (Pollicipes polymerus) California mussel (Mytilus californianus) and Giant green anenome (Anthopleura xanthogrammica) in rock pool, Vancouver Island...

Paul Williams / Ochre starfish (Pisaster ochraceus), Goose barnacles (Pollicipes polymerus) and California mussel (Mytilus californianus) in rock pool, Vancouver Island, British Columbia, Canada, July.

Paul Williams / Ochre starfish (Pisaster ochraceus) California mussel (Mytilus californianus) and Giant green anenome (Anthopleura xanthogrammica) in rock pool, Vancouver Island, British Columbia, Canada. July.

Pal Hermansen / Coniferous forest, aerial view. High Coast World Heritage Site, Vasternorrland, Sweden. August, 2018.

Guy Edwardes / Aurora Borealis over Vestrahorn, Stokksnes, Hofn, Iceland. March 2018

David Fleetham / Reticulated brittle star (Ophiocoma brevipes) on cushion starfish (Culcita novaeguineae), Hawaii.

David Fleetham / Reticulated brittle star (Ophiocoma brevipes), and commensal shrimp (Periclemenes soror) on a cushion starfish (Culcita novaeguineae), Hawaii.

Linda Pitkin / Basket star (Astroboa nuda) close up of arm at night, The Barge (wreck), near Bluff Point, Gubal I., Gulf of Suez, Egypt, Red Sea.

Sandra Bartocha / Low angle view of Cornflowers (Centaurea cyanus) Seeland, Denmark

Alex Mustard / High magnification photo of the spines of a Common starfish (Asterias rubens). Gulen, Bergen, Norway. North Sea, North East Atlantic Ocean.

Alex Mustard / Colourful yellow sun star (Solaster endeca) climbing on a kelp frond. Gulen, Bergen, Norway. North Sea, North East Atlantic Ocean.

Alex Mustard / Basket star (Gorgonocephalus eucnemis) climbs up on red soft coral (Eunephthya rubiformis) to feed during daylight. Browning Pass, Port Hardy, Vancouver Island, British Columbia, Canada. Queen Charlot...

Georgette Douwma / Anemone shrimp (Periclimenes brevicarpalis) inside an anemone, Lembeh Strait, North Sulawesi, Indonesia. December.

Richard Herrmann / Bat Star (Asterina miniata) group and sea snails feeding on Ocean Sunfish (Mola mola) that was killed by California Sea Lion (Zalophus californianus), Monterey Bay, California

Richard Herrmann / Bat Star (Asterina miniata) group feeding on Moon Jelly (Aurelia aurita) prey, Monterey Bay, California

Sue Daly / Brittlestars (Ophiura albida), Trondheimsfjord, Norway, July.

Sue Daly / Common starfish (Asterias rubens) mating behaviour, Trondheimsfjord, Norway, July.

Sue Daly / Common starfish (Asterias rubens) and sea squirts (Ciona intestinalis), Trondheimsfjord, Norway, July.

Sue Daly / Black Brittlestar (Ophiocomina nigra), Trondheimsfjord, Norway, July.

Sue Daly / Basket star (Gogonocepahlus caputmedusae) Trondheimsfjord, Norway, July.

Sue Daly / Purple sunstar (Solaster endeca), Trondheimsfjord, Norway, July.

Sue Daly / Purple sunstar (Solaster endeca), Trondheimsfjord, Norway, July.

Sue Daly / Basket star (Gogonocepahlus caputmedusae) on deep water coral reef (Lophelia pertusa) Trondheimsfjord, Norway, July.