| 2026-07-12 | The thing in "The Thing," for one |
| 2026-05-27 | Superman is one, notably |
| 2026-02-27 | World traveler? |
| 2026-01-13 | Extraterrestrial |
| 2025-06-05 | Mr. Spock, e.g. |
| 2025-05-08 | This might come in a saucer |
| 2024-12-18 | "Take me to your leader" speaker |
| 2024-12-05 | Out of this world |
| 2024-09-13 | Sci-fi franchise since 1979 |
| 2024-07-15 | Who might say "Take me to your leader" |
| 2024-03-14 | 1979 movie with the line "This is Ripley, last survivor of the Nostromo, signing off" |
| 2024-01-14 | One hitting the space bar? |
| 2023-11-22 | Xenomorph |
| 2023-10-03 | Like 48-Downs, to Ireland |
| 2023-07-21 | Zaphod Beeblebrox in "The Hitchhiker's Guide to the Galaxy," for one |
| 2023-03-27 | One might arrive on a saucer |
| 2023-02-23 | Beyond strange |
| 2022-11-12 | Supergirl, e.g. |
| 2022-07-29 | Xenomorph, more familiarly |
| 2022-02-28 | Not from Earth |
| 2022-01-21 | Video game franchise based on a sci-fi film franchise |
| 2021-09-29 | Otherworldly |
| 2021-07-27 | One from another world |
| 2021-05-23 | Hit film set aboard the spaceship Nostromo |
| 2021-03-23 | Who might say "Take me to your leader" |
| 2020-11-27 | Common character in "The Far Side" |
| 2020-09-20 | Frequent tabloid cover subject |
| 2020-06-25 | Out of this world |
| 2020-05-03 | "Arrival" visitor |
| 2020-05-01 | Down-to-earth type? |
| 2020-04-28 | Completely unfamiliar |
| 2020-04-18 | Strange |
| 2020-04-03 | Unfamiliar |
| 2020-03-29 | Superman, for one |
| 2018-06-15 | Unfamiliar and unsettling |
| 2018-05-01 | Figure in many a sci-fi film |
| 2018-04-08 | Unfamiliar |
| 2018-01-21 | The "A" in TV's ALF |
| 2018-01-16 | Visitor to Roswell, supposedly |
| 2017-06-12 | First of a series of sci-fi movies starring Sigourney Weaver |
| 2017-05-28 | Venusian or Jovian |
| 2017-04-12 | 1979 sci-fi thriller |
| 2016-12-09 | Unearthly |
| 2016-06-14 | Many a "Guardians of the Galaxy" character |
| 2015-12-04 | Superman, for one |
| 2015-11-04 | Very strange |
| 2015-10-29 | See 5-Down |
| 2015-01-27 | Unearthly |
| 2014-12-08 | Otherworldly |
| 2014-10-07 | Martian, e.g. |
| 2014-09-08 | Flying saucer occupant |
| 2014-08-31 | Strange |
| 2014-06-25 | One who's not from around here |
| 2014-05-01 | With 6-Across, subject of an eerie rural legend ... illustrated by connecting nine identically filled squares in this puzzle with a closed line |
| 2013-12-25 | Bizarre |
| 2013-11-22 | Otherworldly |
| 2013-07-11 | Xenophobe's aversion |
| 2012-11-14 | Not native |
| 2012-10-16 | Strange |
| 2012-08-10 | Strange |
| 2012-07-18 | 1979 film with the tagline "In space no one can hear you scream" |
| 2012-03-04 | Sci-fi film with an android named Ash |
| 2012-01-18 | Martian, e.g. |
| 2011-08-14 | It's out of this world |
| 2011-04-17 | Sci-fi film with a hatching egg on its poster |
| 2011-03-11 | Superman, for one |
| 2011-03-01 | Little green man? |
| 2011-01-29 | Not from around here |
| 2010-09-07 | "The X-Files" subject |
| 2010-06-16 | Many a day laborer |
| 2010-04-01 | Visitor space |
| 2010-02-14 | E.T., e.g. |
| 2009-11-10 | Visitor from beyond the solar system |
| 2009-10-14 | Not native |
| 2009-08-31 | Visitor in "District 9" |
| 2009-05-11 | Martian or Venusian |
| 2009-03-24 | Little green man |
| 2008-09-08 | Spaceship inhabitant |
| 2008-07-30 | Unfamiliar |
| 2008-06-23 | Martian, e.g. |
| 2008-05-17 | Not natural |
| 2008-05-04 | Not at all familiar |
| 2008-04-18 | Weekly World News newsmaker |
| 2008-04-13 | 1979 film parodied in "Spaceballs" |
| 2008-03-11 | Intergalactic traveler |
| 2008-01-31 | Completely strange |
| 2008-01-13 | Many a "Star Trek" character |
| 2007-11-08 | Visitor from afar |
| 2007-08-03 | Superman, for one |
| 2007-07-24 | Green card holder |
| 2007-05-07 | Green card holder |
| 2007-04-30 | Non-earthling |
| 2007-02-14 | U.F.O. pilot |
| 2006-11-25 | Strange |
| 2006-10-30 | Visitor from another planet |
| 2006-08-20 | Not native |
| 2005-10-09 | ___ being |
| 2005-07-16 | Not native |
| 2005-04-19 | Martian or Venusian |
| 2005-03-06 | Unfamiliar |
| 2004-12-01 | Unfamiliar |
| 2004-11-29 | Non-earthling |
| 2004-11-20 | Not natural |
| 2004-11-08 | Being from beyond Earth |
| 2004-10-17 | Native's opposite |
| 2004-10-07 | Faraway |
| 2004-09-28 | Venusian, e.g. |
| 2004-08-20 | Unearthly |
| 2004-06-23 | Roswell crash victim, supposedly |
| 2004-03-24 | Roswell crash victim, supposedly |
| 2004-03-11 | Unfamiliar |
| 2003-02-20 | 42-Across, for one |
| 2003-02-11 | Noncitizen |
| 2003-01-04 | Klingon, e.g. |
| 2002-11-13 | Ufologist's study |
| 2002-10-24 | Extraterrestrial |
| 2002-09-23 | Extraterrestrial |
| 2002-07-16 | UFO occupant |
| 2002-07-10 | Out of this world? |
| 2002-05-25 | One with a big head? |
| 2002-04-22 | From another planet |
| 2002-04-18 | Nonnative |
| 2002-01-30 | 1979 sci-fi thriller |
| 2001-09-13 | With 27-Down, sci-fi phenomena that help explain this puzzle's theme |
| 2001-04-09 | Sci-fi film extra |
| 2001-03-03 | Not terrestrial, perhaps |
| 2001-02-10 | Strange |
| 2000-09-19 | Green card holder |
| 2000-08-01 | Little green man |
| 2000-07-08 | Kind of race |
| 2000-07-04 | Not of this world |
| 2000-05-23 | Venusian, e.g. |
| 2000-05-01 | Unearthly |
| 2000-03-14 | "Star Trek" extra |
| 1999-11-15 | Not from Earth |
| 1999-09-06 | Foreigner |
| 1999-06-08 | Sci-fi visitor |
| 1999-05-21 | Out of this world |
| 1999-03-04 | Xenophile's friend |
| 1999-02-14 | Extrinsic |
| 1999-01-25 | Unearthly |
| 1998-12-11 | Outsider |
| 1998-10-31 | Xenophobe's dread |
| 1998-09-14 | Flying saucer flier |
| 1998-09-06 | Strange |
| 1998-07-27 | Nonnational |
| 1998-06-30 | Foreign |
| 1998-06-23 | 1979 sci-fi classic |
| 1998-04-12 | Quite dissimilar |
| 1998-03-31 | Klingon or Vulcan |
| 1998-02-09 | Nonnational |
| 1997-12-08 | From Mars, say |
| 1997-12-01 | One who's out of this world? |
| 1997-11-03 | Completely foreign |
| 1997-08-24 | "Men in Black" menace |
| 1997-08-12 | Non-earthling |
| 1997-08-02 | Weekly World News cover photo, maybe |
| 1997-07-27 | Out of this world |
| 1997-05-30 | "V" villain |
| 1997-04-21 | Extraterrestrial |
| 1997-01-27 | Extraterrestrial |
| 1997-01-08 | Venusian, for one |
| 1996-10-15 | Mork, e.g. |
| 1996-09-22 | Exotic |
| 1995-12-24 | "X-Files" extra |
| 1995-07-01 | Big job for the makeup department |
| 1995-04-24 | Starman |
| 1995-03-12 | Highly unusual |
| 1994-12-07 | Undocumented person |
| 1994-09-21 | Xenophobe's fear |
| 1994-08-16 | 1979 sci-fi hit |
| 1994-08-14 | Tabloid cover topic, maybe |
| 1994-06-28 | Martian or Venusian |
| 1994-05-04 | Refuge seeker |
| 1994-04-04 | ".... in tears amid the_____ corn": Keats |
| 1994-03-21 | Not native |
| 1994-02-23 | Green-card applicant |
| 1994-02-20 | 1979 Weaver film |
| 1994-01-21 | Asylum seeker |