Stefan Christmann / Sea ice and iceberg during polar night. Atka Bay, Antarctica. July 2017.

Stefan Christmann / Emperor penguin (Aptenodytes forsteri) on sea ice at sunrise. Atka Bay, Antarctica. May 2017.

Denis-Huot / Masai giraffe (Giraffa camelopardalis tippelskirchi) in distance silhouetted at sunrise with clouds, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Group of male African lions (Panthera leo) resting with storm clouds overhead, Masai-Mara Game Reserve, Kenya. September.

Denis-Huot / Masai giraffe (Giraffa camelopardalis tippelskirchi) herd at sunrise, Masai-Mara Game Reserve, Kenya. November.

Denis-Huot / Crowned crane (Balearica regulorum gibbericeps) pair at sunrise, Masai-Mara Game Reserve, Kenya. June.

Denis-Huot / African elephant (Loxodonta africana) herd at sunset, Masai-Mara Game Reserve, Kenya. January.

Denis-Huot / Masai giraffes (Giraffa camelopardalis tippelskirchi), at sunrise, Masai-Mara Game Reserve, Kenya. March.

Denis-Huot / Masai giraffes (Giraffa camelopardalis tippelskirchi), at sunrise, Masai-Mara Game Reserve, Kenya. March.

Denis-Huot / Male black rhinoceros (Diceros bicornis) silhouetted against clouds, Masai-Mara Game Reserve, Kenya. March.

Ernie Janes / Rising moon and jet trails from a passing aeroplane, Norfolk, UK. January.

Ashley Cooper / Lenticular clouds at sunset over Grizedale, Cumbria, UK. January, 2021.

Ashley Cooper / Evening light and lenticular clouds over Ambleside, Lake District National Park, Cumbria, UK. June, 2021.

Ashley Cooper / Jet stream winds high above the Annapurna Himalayas creating clouds with rainbow colours caused by light refraction on ice crystals, known as parhelion or sundog, in Nepal, South Asia. December, 2012.

Ashley Cooper / Jet stream winds high above the Annapurna Himalayas creating clouds with rainbow colours caused by light refraction on ice crystals, known as parhelion or sundog, in Nepal, South Asia. December, 2012.

Ashley Cooper / Mackerel skies over Ambleside, Lake District National Park, Cumbria, UK. November, 2021.

George Sanker / The Milky Way over Sand Beach, Acadia National Park, Maine, USA. July, 2020.

Markus Varesvuo / Tufted duck (Aythya fuligula) flock swimming in coastal waters at night, full moon reflected in water. Uto, Finland. March 2018.

Erlend Haarberg / Polar stratospheric clouds above Forollhogna National Park, clouds in the winter polar stratosphere at altitudes of 15000-25000m. Innlandet, Norway. January 2020.

Erlend Haarberg / Polar stratospheric clouds above silhouetted hills, clouds present in the winter polar stratosphere at altitudes of 15000-25000m. Nordherad, Vaagaa, Innlandet, Norway. December 2019.

Graham Eaton / Seaweed drying hut below Milky Way in night sky. Freshwater West, Pembrokeshire Coast National Park, Wales, UK. August 2018.

Ashley Cooper / Clouds on an occluded front at sunset, hills below. Ambleside, Lake District National Park, England, UK. April 2020.

Ashley Cooper / Double rainbow over town and volcano. Near Arrecife, Lanzarote, Canary Islands, Spain. November 2019.

Ashley Cooper / Sunset over sea, icebergs and islands in distance. View from Danco coast, Graham Land, Antarctic Peninsula. December 2019.

Ashley Cooper / Coastal cliff and sea stack in Southern Ocean with cruise ship in background. Deception Island, South Shetland Islands, Antarctica. December 2019.

Jeff Foott / Cirrus clouds in sky with shore at low tide below, at sunset. Near San Felipe, Baja California, Mexico. 2017.

Bernard Castelein / Clouds over North Sea, view from Brouwersdam, Zeeland, The Netherlands. November 2019.

Enrique Lopez-Tapia / Steppe under stormy sky. Litang, Garze Tibetan Autonomous Prefecture, Sichuan, China. 2016.

Enrique Lopez-Tapia / Steppe under stormy sky. Litang, Garze Tibetan Autonomous Prefecture, Sichuan, China. 2016.

Juergen Freund / Lightning strikes above skyscrapers on Gold Coast coastline, composite image of strikes over a twenty minute period. Queensland, Australia. 2018.

Juergen Freund / Mammatus cloud formations at sunset. Gold Coast, Queensland, Australia.

Juergen Freund / Lightning strike above skyscrapers on Gold Coast coastline. Queensland, Australia. 2018.

Juergen Freund / Road through fields, under stormy sky. Far North Queensland, Australia. 2016.

Juergen Freund / Monsoon rain clouds above road. Queensland, Australia. February 2013.

Ashish & Shanthi Chandola / Sunrise over the Pacific Ocean. Kaikoura, Canterbury, South island, New Zealand. April 2017

Sylvain Cordier / Northern Lights / Aurora Borealis over tundra. Kaktovik, Arctic National Wildlife Refuge, Alaska, USA. September 2016.

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

Gabriel Rojo / Palm trees with milky way in night sky. Pantanal, Mato Grosso, Brazil.

Ingo Arndt / Lenticular cloud formation. Torres del Paine National Park, Patagonia, Chile. April 2017.

Jack Dykinga / Soaptree yucca (Yucca elata) flowering at night, under starry sky. Cochise Stronghold, Dragoon Mountains, Coronado National Forest, Arizona, USA. June.

Stefan Christmann / Sky over sea ice and ice shelf during polar night. Atka Bay, Antarctica. July 2017.

Stefan Christmann / Winter sunrise over sea ice. Atka Bay, Antarctica. May 2017.

Stefan Christmann / Clouds in evening light. Atka Bay, Antarctica. March.

Stefan Christmann / Iceberg in Southern Ocean silhouetted at sunrise. Atka Bay, Antarctica. March 2017.

Stefan Christmann / Iceberg in Southern Ocean silhouetted at sunrise. Atka Bay, Antarctica. March 2017.

Pascal Tordeux / Big cloudy sky above tree lined road in distance with vehicles including campervans driving along it, Montreuil, Pas De Calais, France, September 2015.

Pascal Tordeux / Big sky with dark clouds over fields, Montreuil, Pas De Calais, France, September 2013.

Pascal Tordeux / Beach at low tide with sun behind clouds, Crotoy, Somme Bay, Pas De Calais, France, July 2015.