AREWEALONE
| Date | Clue |
|---|---|
| 2021-08-20 | Question of humanity that has never been answered |
| 2017-08-11 | What many stargazers wonder |
| 2017-03-10 | A question of cosmology |
| 2013-10-07 | "Can anybody hear us?" |
| 2012-09-28 | What cosmologists wonder |
| 2012-02-25 | Spy's query at the start of a meeting |
| 2010-05-22 | Exobiologist's query |
| 2008-10-25 | Conspirator's cautious conversation starter |