The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication.

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Hunting the Ghosts of the Universe: Unraveling the Neutrino Enigma

Icy Enigma Unveiled: Researchers Crack the Code of Jupiter and Saturn’s Moons’ Radar Signatures

Swiss space telescope makes enigmatic discovery | A Swiss-designed telescope travelling on board the CHEOPS space satellite has discovered a new ring around the asteroid Quaoar, presenting astronomers with an enigma.

Private Peregrine moon lander will now touch down near 'geologic enigma'

Cosmological enigma of Milky Way's satellite galaxies solved. Satellite galaxies exhibit a bizarre alignment lying on an enormous thin rotating "plane of satellites" arranged in an implausibly thin plane piercing the galaxy circling in a coherent and long-lived disk.

The Enigma of Dragonfly 44, the Galaxy That’s Almost Invisible

Cracking the enigma of how plant sperm is compacted

Scientists Think They've Solved The 'Enigma' of How Air Pollution Causes Lung Cancer

Researchers unfolded elegant equations to explain the enigma of expanding origami

See The Jaw-Dropping First Image Of The Black Hole At The Heart Of Our Galaxy Just Revealed By Astronomers

Atomic terahertz-vibrations solve the enigma of ultrashort soliton molecules

The cacao tree enigma

Long-Standing Enigma Finally Cracked – Link Discovered Between High Blood Pressure and Diabetes

The Enigma: Mysterious diamond from space up for auction

55-sided, 555-carat 'Enigma' black diamond (potentially from space) goes on sale