Red is a color, and one of the primary colors (colors that can be mixed with other colors) of light. The others are blue and yellow. Red light has a wavelength...

The International Red Cross and Red Crescent Movement is a movement to save human life and health. Its headquarters are in Geneva, Switzerland. Although...

F.C. Red Bull Salzburg is a football club from Salzburg that plays in the Austrian Bundesliga. The club was known as SV Austria Salzburg until 2005, when...

A red giant is a giant star that has the mass of about one-half to ten times the mass of our Sun. Red giants get their name because they appear to be...

The IUCN Red List (also IUCN Red List of Threatened Species) is a list of species. The list tells for each species how likely it is to become extinct...

million red blood cells per microliter of blood. In men, there are 5.4 million red blood cells per microliter of blood. Red blood cells are red because...

The red fox (scientific name: Vulpes vulpes) is a mammal of the order Carnivora. It is the biggest and most well-known species of fox. Red foxes are sometimes...

A red supergiant (RSG) is a larger and brighter type of red giant star. Red supergiants are often variable stars. They are between 100 to 1,600 times...

Red Hot Chili Peppers are an American rock band. The band started in 1982 in Los Angeles, California. The state of California has been a theme in many...

Red Bull Racing is a Formula One racing team owned by Austrian beverage company Red Bull. Red Bull also owns another F1 team: Visa Cash App RB F1 Team...

The Boston Red Sox are an American baseball team from Boston, Massachusetts that play in Major League Baseball. They have nine World Series championships...

The red panda (Ailurus fulgens) is a mammal. It is the only species of the Ailuridae family. There are two subspecies: Ailurus fulgens fulgens and Ailurus...

Red is a 2010 American action comedy movie based on the limited comic-book series of the same name created by Warren Ellis and Cully Hamner. The movie...

Red 2 is 2013 American action comedy movie and sequel to the 2010 movie Red. It was based on the limited comic book series of the same name, created by...

Turning Red is a 2022 American computer animated fantasy comedy movie produced by Pixar Animation Studios and Walt Disney Studios Motion Pictures. It...

Red algae are members of the phylum Rhodophyta. This is a large group of aquatic algae with about 6000 species. They have reddish phycobilin pigments—phycoerythrin...

Pokémon Red (ポケットモンスター 赤, Poketto Monsutā Aka; "Pocket Monsters Red") and Pokémon Blue (ポケットモンスター 青, Poketto Monsutā Ao; "Pocket Monsters Blue"), released...

A red-light district is a part of an urban area where sex work is concentrated. Sex work in red-light districts is either legal or illegal, but tolerated...

"Little Red Riding Hood" (or "Little Red Cap") is a French fairy tale for young children about a young girl and a wolf. The story comes from a folktale...

The New York Red Bulls are an American soccer team. They play in Major League Soccer in Harrison, New Jersey. Until 2006, they were known as the MetroStars...

Red River usually means one of the following: Red River (East and Southeast Asia) (Chinese: 紅河, 红河, Hóng Hé; Vietnamese: Sông Hồng) in China and Vietnam...

The Urawa Red Diamonds (浦和レッドダイヤモンズ, Urawa Reddo Daiyamonzu) or simply Urawa Reds (浦和レッズ, Urawa Rezzu), also known as Mitsubishi Urawa Football Club from...

Red Star Belgrade is a football club which plays in Serbia. The club is based in the Serbian capital, Belgrade. FK Crvena Zvezda usually wears a red and...

Red Hat is an American software company. It makes open source software products. The company was founded in 1993. Red Hat has its headquarters in Raleigh...

Red-violet is a deep tone of rosy magenta. It may also be considered a reddish tone of purple or a bluish tone of rose. On the old fashioned, now obsolete...

Red Star Olympique Audonien 1948-1950 Stade Français-Red Star 1950-1967 Red Star Olympique Audonien 1967-1978 Red Star Football Club 1978-1984 AS Red...

The red deer (Cervus elaphus) is one of the largest deer species. The red deer lives in most of Europe, the Caucasus Mountains region, Asia Minor and...

The red kangaroo (Macropus rufus) is the largest kangaroo. The word macropus means "big foot" and rufus means red. It is the largest mammal in Australia...

The term red beds usually refers to strata of reddish-colored sedimentary rocks such as sandstone, siltstone or shale that were deposited in hot climates...

The Red Scare was the fear of communism taking over countries. The term is most often used to refer to two periods in the history of the United States...

The Detroit Red Wings are a professional ice hockey team in the National Hockey League (NHL). The Red Wings were formed in 1926. The Western Canada Hockey...

Cincinnati Red Stockings until 1878, when the team changed the name to the current Cincinnati Reds. The Reds joined the National League in 1876 The Reds have...

Red Bull sponsors Red Bull Air Race, Red Bull Crashed Ice. It owns the sports team Red Bull Racing, Scuderia Toro Rosso, EC Red Bull Salzburg, FC Red...

Red Hat Linux is a discontinued Linux operating system, replaced by RHEL (Red Hat Enterprise Linux). Red Hat made it public in the past and it was used...

The Red Sea is a sea between the Arabian Peninsula of Asia in the northeast and Africa in the southwest. It is a part of the Indian Ocean. The Red Sea...

The Old Red Sandstone is a dark red sandstone laid down mainly in the Devonian period over a large part of the continent of Laurussia. The base of the...

The red ribbon is used as a symbol of awareness and solidarity of people living with HIV/AIDS. Several organisations, such as the Red Ribbon Foundation...

Red Dragon is a 2002 crime thriller movie based on the book of the same name. It was directed by Brett Ratner with Anthony Hopkins returning for the role...

The Red Army was the army of the Bolsheviks that was led by Leon Trotsky during the Russian Civil War. It later became the army of the Soviet Union. The...

The British Red Cross is the United Kingdom body of the neutral humanitarian network the Red Cross. The society was formed in 1870 and is a registered...

The International Federation of Red Cross and Red Crescent Societies is a worldwide humanitarian aid organization that reaches 160 million people each...

The Red Queen is the name of an evolutionary theory of Leigh Van Valen and, later, a book by Matt Ridley. The term is taken from the Red Queen's race in...

Red Dead Redemption is an action-adventure western video game made by Rockstar San Diego. It was released in May 2010 for the PlayStation 3 and Xbox 360...

The Red Pine (Pinus resinosa) is a pine native to northeastern North America. The Red Pine grows in the area from Newfoundland west to southeast Manitoba...

Red Dawn is a 1984 American war action movie. It was released in August 1984 with both good and bad reviews. It starred Patrick Swayze, Lea Thompson,...

energy drink-maker Red Bull GmbH. Red Bull Brasil plays in the top tier of Campeonato Paulista, the São Paulo state league. In 2017, Red Bull Brasil makes...

A red dwarf is a kind of star. Red dwarf stars are smaller than half the size of the Sun. They are also cooler than most stars. Red dwarfs burn their...

The red admiral (Vanessa atalanta) is a well-known colourful butterfly, found in temperate Europe, Asia and North America. It has a 45–50 mm (1.8–2.0 in)...

the Big Red Dog might refer to: Clifford the Big Red Dog (book series), a series of children's books by Norman Bridwell Clifford the Big Red Dog (2000...

The red-necked wallaby (Macropus rufogriseus) is a medium-sized macropod, common in parts of eastern Australia. As one of the largest wallabies, it looks...