Aether

Aether, æther or ether may refer to:

Historical science and mythology

Aether (mythology), the personification of the bright upper sky
Aether (classical element), the material believed to fill the universe above the terrestrial sphere
- Aether theories, proposing space-filling substance that propagates electromagnetic or gravitational forces
- Luminiferous aether, the postulated medium for the propagation of light

Ether, a class of chemical compounds
- Diethyl ether, or simply ether, an organic compound
Petroleum ether, a petroleum fraction (not classified as an ether)
AETHER, an atmospheric radiative transfer algorithm

Aether, a plot device of the Marvel Cinematic Universe Infinity Stones
Aether, an object in Aion (video game)
Aether, a character in 2020 video game Genshin Impact
Aether, an element of the Kaladesh expansion block of Magic: The Gathering
Aether, a fictional planet in 2004 video game Metroid Prime 2: Echoes
Aether, an element in 2012 video game Phantasy Star Online 2
Ether, the building block of life in the Xenoblade Chronicles universe
Aether, a dimension added in a mod for the video game Minecraft
Aether, an ancient variety of entities present in Brandon Sanderson’s cosmere universe