The IceCube Neutrino Observatory is a neutrino detector located at the Amundsen-Scott South Pole Station in Antarctica. It was developed by the University of Wisconsin–Madison.

Cmichel67, CC BY-SA 4.0, via Wikimedia Commons. View source.

Young boy feeding hay to a cow in a rice paddy field in Si Phan Don, Laos.

Basile Morin, CC BY-SA 4.0, via Wikimedia Commons. View source.

Fog around Pico do Itaguaré (Itaguaré Peak) as seen from Pico dos Marins (Marins Peak) in the Mantiqueira Mountains, Minas Gerais–São Paulo border, Brazil.

Acauã Heuruel Cabral, CC BY-SA 4.0, via Wikimedia Commons. View source.

An image of Saint Mark from Grandes Heures d'Anne de Bretagne. Today is the Feast of Saint Mark.

Jean Bourdichon, Public domain, via Wikimedia Commons. View source.

Bronze-winged jacana (Metopidius indicus) Vembanad Lake, Kerala, India.

Charles J. Sharp, CC BY-SA 4.0, via Wikimedia Commons. View source.

Interrupted Reading by French artist Jean-Baptiste-Camille Corot. Today is World Book Day.

Jean-Baptiste Camille Corot, Public domain, via Wikimedia Commons. View source.

The Hawaiian islands as seen from the International Space Station. Today is Earth Day.

NASA, Public domain, via Wikimedia Commons. View source.

Flowers of a Lily of the valley Focus stack of 18 photos.

Agnes Monkelbaan, CC BY-SA 4.0, via Wikimedia Commons. View source.

Assasi triggerfish (Rhinecanthus assasi), Red Sea, Egypt. This species of triggerfish reaches up to 30 centimetres (12 in) long, which makes them of the smallest in the family. It is tan above and white below with blue stripes between and below the eyes. R. assassi mostly lives in or near coral reefs. It occurs in the western Indian Ocean, including the Red Sea and Persian Gulf.

Diego Delso, CC BY-SA 4.0, via Wikimedia Commons. View source.

Helmstadt-Bargen, Germany: painted ceiling of the Roman Catholic Saint Peter and Paul Church, built in 1904 in Gothic Revival style. The central painting shows the Veil of Veronica and the Instruments of the passion; the angel at the bottom holds a banner saying “In the cross is salvation”.

Roman Eisele, CC BY-SA 4.0, via Wikimedia Commons. View source.

Passion of Jesus; sculpture of Crucifixion of Jesus observing Virgin Mary cradling the dead body of Jesus (known as Pietà). National Gallery of Slovenia. Today is Good Friday.

Petar Milošević, CC BY-SA 4.0, via Wikimedia Commons. View source.

View from Kings Park to the city of Perth, Western Australia, Australia.

Dietmar Rabich, CC BY-SA 4.0, via Wikimedia Commons. View source.