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A blue sea star, Linkia laevigata, clings to a healthy coral reef in Raja Ampat, Indonesia.
Flamboyant cuttlefish embryos, Metasepia pfefferi, wait to hatch from their eggs on the sandy seafloor in Lembeh Strait, Indonesia.
Flamboyant cuttlefish embryos, Metasepia pfefferi, wait to hatch from their eggs on the sandy seafloor in Lembeh Strait, Indonesia.
A bright yellow crinoid clings to a healthy coral reef near Alor, Indonesia.
Bubble coral shrimp, Anilao, Philippines.
Pelagic planktonic shrimp, Anilao, Philippines.
A larval lionfish floats in the open ocean as plankton, Anilao, Philippines.
A longarm octopus flashes its colors at night, Anilao, Philippines.
A female paper nautilus swims through the black water in search of a mate, Anilao, Philippines.
A sea spider hunts in coral polyps for its dinner, Anilao, Philippines.
A tiny hard coral crab can be found burrowing in between the polyps of the coral, Anilao, Philippines.
A male yellow barred jawfish (Opistognathus randalli), broods eggs in its mouth, Anilao, Philippines.
Skull of an adult female leopard seal (Hydrurga leptonyx), on display at the Natural History Museum in Stanley, Falkland Islands, South America
Views of the Chilean research base Presidente Eduardo Frei Montalva, Antarctica, Southern Ocean, Polar Regions
Views of the Trinity Church at Belingshausen Russian Research Station, Antarctica, Southern Ocean, Polar Regions
British Antarctic Survey (BAS) research plane landing at the Chilean Research base Frei on King George Island, Antarctica, Polar Regions
Ice in all of its myriad forms in the Svalbard Archipelago, Norway, Arctic, Europe
View of the Argentine base Almirante Brown, named after Guillermo Brown of the Argentine Navy, Paradise Bay, Antarctica, Polar Regions
Ice crystals, Science Center, Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Ice crystals, Science Center, Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Science center, Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions
Greenland National Museum, Nuuk, capital of Greenland, Denmark, Polar Regions
Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Science and Technology Gallery, National Museum of Scotland, Edinburgh, Scotland, United Kingdom, Europe
Grand Gallery, National Museum of Scotland, Edinburgh, Scotland, United Kingdom, Europe
Animal World Gallery, National Museum of Scotland, Edinburgh, Scotland, United Kingdom, Europe
Hikers inside the caldera Enclos Fouque, Piton de la Fournaise, Reunion
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Views of Base Presidente Eduardo Frei Montalva, Antarctica, Southern Ocean, Polar Regions
British Antarctic Survey (BAS) research plane operating in the Gullet, near Rothera Station near the Antarctic Peninsula, Polar Regions
Waiotapu Thermal Wonderland, North Island, New Zealand. Views of steaming craters on the Waiotapu Thermal Track, New Zealand
An argonaut (Genus Argonauta), a group of pelagic octopuses. Baja California, Sea of Cortez, Mexico, North America
Santa Laura Salpeter mine, UNESCO World Heritage Site, Atacama desert, Chile, South America
Moon jellyfish (Aurelia aurita), Aquarium of San Sebastian, Bay of Biscay, province of Gipuzkoa, Basque Country, Spain, Europe
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Guests from the Lindblad Expedition ship National Geographic Endeavour in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Baleen whale skeleton, most likely a young Bryde's whale, on lava flow in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Abandoned former whaling station at Port Foster inside of the caldera at Deception Island, South Shetland Islands, Antarctica, Polar Regions
Icebergs and brash ice in Kayak Cove, during the austral summer months, Brabant Island, near the Antarctic Peninsula, Antarctica, Polar Regions
Fossil Colonial Coral, Carboniferous Limestone, The Burren, County Clare, Ireland,
Wandering albatross (Diomedea exulans) chick at breeding colony on Prion Island, Bay of Isles, South Georgia
Pregnant female southern elephant seal (Mirounga leonina) giving birth on the beach in Stromness Bay, South Georgia Island
Vibrant purple orchids with green foliage in a greenhouse setting at Kew Gardens, London, England, United Kingdom, Europe
Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America
Petrified sand dunes, White Canyon State Park, Red Cliffs Desert Reserve near St. George, Utah, United States of America
Close-up of a whip coral goby, Beqa Lagoon, Fiji.
Porcelain Crab on its anemone, Papua New Guinea.
Nudibranch feeding on algae, Papua New Guinea.
Red goby sitting motionless on whip coral, Fiji.
Christmas Tree Worm in hard coral, Bonaire, Caribbean Netherlands.
1 cm yellow tube polyp captured at 4.5x life size with what appears to be a small macroscopic Isopod feeding on it, Bonaire, Caribbean Netherlands.
October 16, 2013 - Eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia. Ash cloud and lava flow are produced by the volcano which is partially shrouded in cloud. Kamen volcano is seen on right.
November 13, 2007 - Moeraki Boulders, round septarian concretions created by cementation of Paleocene mudstone of the Moeraki formation, Koekohe Beach, New Zealand.
November 13, 2007 - Moeraki Boulders, spherical septarian concretions created by cementation of Paleocene mudstone of the Moeraki formation, Koekohe Beach, New Zealand.
January 27, 2011 - Dallol geothermal area, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.
The interior of the Supai Tunnel along the North Kaibab Trail, Grand Canyon North Rim, UNESCO, Arizona, United States of America
Green chameleon camouflaged among lush foliage, displaying natural wildlife and adaptation at Kew Gardens, London, England, United Kingdom, Europe
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Petrified Waterfall at dusk, elevated view, Hierve el Agua, San Lorenzo Albarradas, Oaxaca State, Mexico
Science Museum, South Kensington, London, England
Science Museum, South Kensington, London, England
Natural History Museum, London, United Kingdom
Natural History Museum, London, United Kingdom
Natural History Museum, London, United Kingdom
View of entrance to the Grand Egyptian Museum (GEM), Cairo, Egypt, Africa
Santa Laura Salpeter mine, UNESCO World Heritage Site, Atacama desert, Chile, South America
Palau de les Arts Reina Sofia (Palacio de las Artes Reina Sofia) (Queen Sofia Palace of the Arts), Ciudad de las Artes y las Ciencias (City of Arts and Sciences), Valencia, Spain, Europe
Reflections of Palau de les Arts Reina Sofia (Queen Sofia Palace of the Arts) and Museu de les Ciencies Principe Felipe (Principe Felipe Science Museum) of Ciudad de las Artes y las Ciencias (City of Arts and Sciences), Valencia, Spain, Europe
Reflections of Palau de les Arts Reina Sofia (Queen Sofia Palace of the Arts) and Museu de les Ciencies Principe Felipe (Principe Felipe Science Museum) of Ciudad de las Artes y las Ciencias (City of Arts and Sciences), Valencia, Spain, Europe
Panorama of a rain storm over the North Rim of Grand Canyon National Park, Arizona, USA
Isolated Limestone Stack and Windswept Vegetation Overlooking Rough Sea at Pancake Rocks, Punakaiki, New Zealand
O'Leary Peak, Coconino National Forest, Arizona, USA
Wide Panoramic view of The Bjarnarhofn Lava Field, Snaefellsnes Peninsula, Iceland
View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
View from below the rim of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
Super Panorama of the giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
The giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
A water leak from a crack in Stone Dam in the Kaibab National Forest, Arizona, USA
First digital physical reconstruction of a Nabataean woman, Hinat, 2nd to 1st centuries BCE, from 3D skull scan, Hegra, Medina Province, Saudi Arabia
Skyline of Singapore Marina Bay at night with Marina Bay Sands and Art Science museum reflecting in a pond after rain, Singapore
Skyline of Singapore Marina Bay at night with Marina Bay Sands, Art Science museum and tourist boats, Singapore
Skyline of Singapore Marina Bay at night, downtown core skyscrapers and the Art Science museum, Singapore
Skyline of Singapore Marina Bay at night with Marina Bay Sands, Art Science museum and tourist boats, Singapore
Skyline of Singapore Marina Bay at night with Marina Bay Sands, Art Science museum and tourist boats, Singapore
Skyline of Singapore Marina Bay at night with Marina Bay Sands and Art Science museum reflecting in a pond after rain, Singapore
Skyline of Singapore Marina Bay at night with Marina Bay Sands and Art Science museum reflecting in a pond after rain, Singapore
Skyline of Singapore Marina Bay at night with Marina Bay Sands and Art Science museum reflecting in a pond after rain, Singapore
Skyline of Singapore Marina Bay at night downtown core skyscrapers and the Art Science museum, Singapore
Skyline of Singapore Marina Bay at night with Marina Bay Sands, Art Science museum and tourist boats, Singapore
Skyline of Singapore Marina Bay at night with Marina Bay Sands, Art Science museum and tourist boats, Singapore
Esplora Interactive Science Centre, Bighi, Malta
Healer with medicinal herbs in Ngiresi village, Tanzania
Astronomical instruments of Jantar Mantar, UNESCO, Jaipur, Rajasthan, India
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the rocky mountains around Zouar, Tibesti Mountains, Chad
Adult brown bears (Ursus arctos) courtship behaviour, Brooks River, Katmai National Park near Bristol Bay, Alaska, United States of America
A rare sighting of an adult blue whale (Balaenoptera musculus) sub-surface feeding in the Svalbard Archipelago, Norway