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Earth, also known as Terra, is the home planet of Humans and many animal life forms. It is a Level 2 planet[1][2] that is currently owned by Ben Tennyson.[3]


Prime Timeline

When Azmuth first discovered Earth, he called it "Terra".[4][DJW 1] Many other aliens that have set foot on Earth since then, such as Inspector 13, have referred to the planet as "Terra".[5]

Most of Earth's myths and legends come from alien encounters in ancient times.[6][7] For example, Stonehenge is a Galvan practical joke and the pyramids were built by Tetramands,[8][9] with the assistance of humans, as well as Driba and Blukic.[10][DJW 2]

After the Incurseans were driven back and Earth was spared from being conquered, aliens began to live on the surface along with humans.[11]

Alternate Timelines

Paradox's Failure Timeline

Professor Paradox showed Ben, Gwen, and Kevin a possible future where Earth became a desert wasteland after the Trans-Dimensional Monster got out of Los Soledad. Fortunately, this future was prevented by Ben.[12]

Rex's Universe

Rex Salazar lives in a parallel version of Earth where E.V.O.s and the organization Providence exist and nearly every living being is infected by Nanites. Ben was taken to this Earth during a battle with Alpha.[13]

Video Games

Ben 10: Protector of Earth

Earth is the main setting, with the Tennysons traveling all over the United States to battle enemies.

Ben 10: Ultimate Alien Cosmic Destruction

Earth is the main setting, being the location where the Potis Altiare was sent by the Galvan when it crashed on Earth many years ago.

Notable Inhabitants

Non-native species


  • Earth is an open system.[14]
  • Earth is located in a key strategic location for taking over the galaxy.[14][15]
  • Earth is the richest source of iron in the universe.[16][17]
  • Aliens are not allowed to urinate in Earth's bushes as it could lead to an environmental catastrophe.[18][19]
  • "Htrae", which is Earth spelled backwards, is apparently Earth's secret true name.[20]
  • Ma Vreedle refers to the Solar System as the "Sol System." [21]
  • Earth having dolphins, white lab mice, and humans as sentient life forms is a reference to The Hitchhiker's Guide To The Galaxy by Douglas Adams, in which dolphins and white mice are more intelligent than humans.


Derrick J. Wyatt

Celestial Bodies
Seen Planets
AldabraAnodyneAnur TransylAranhaschimmiaAugstakaCoda CodaEarthEncephalonus IVGalvan PrimeIncursean HomeworldKhorosLepidopterraMykdl'dyPantophagePeptos XIPeptos XIIPerplexahedronPetropiaPisccissPlutoPrimusRevonnahT-KTerminus IIITerraexcavaTurrawusteVilgaxiaXenon
Unseen Planets
AeropelaAndesiteAnur G'rrnayAnur KhufosAnur MillganAnur OrmerowAnur PhaetosAnur VladiasAppoplexiaArburiaAul-TurrhenChalybeasColeop TerraFlors VerdanceGilli-Perambulous PromenadeHathorKeplorrKinetKiusanaKylmyysLewodaMethanosMolluskusNemunimos IVPattersoneaPolyominusPrypiatosRinga MorrSangerosiaScalpascSightraTechadonTerradinoTesslosThalassiaViscosiaVulcanVulpinX'Nelli
Sapient Planets Satellites Locations in Space
Galilean (Gravattack, Orbit Man)Evolved Galilean (Ultimate Gravattack) Galvan BLuna LoboMoonMyceto Great Vault of SulkisEdge of the Galaxy IncarceconNull Void IncarceconSpace Cafe
Stars Star Systems Galaxies
Pyros Anur SystemGalvan Star System Andromeda GalaxyMilky Way Galaxy
Other Celestial Bodies
Cosmic StormsForge of CreationNosedeen QuasarTeslavorr
Retconned Non-canon
ChroniaOsmosOsmos V CorundorIgnisLignumMor' OtesiPoiana LüncasZvezda

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