| 2026-06-21 | White dwarf phenomenon |
| 2026-06-11 | Milky Way explosion |
| 2026-05-25 | Luminous stellar explosion |
| 2026-05-16 | Cold-smoked lox |
| 2025-11-30 | Flare up? |
| 2025-08-03 | Cosmic explosion |
| 2025-03-22 | Cosmic explosion |
| 2025-02-18 | ___ Scotia |
| 2024-12-01 | Brilliant observation? |
| 2024-07-22 | Smoked salmon |
| 2024-07-18 | Neon sign outside a motel |
| 2023-06-26 | PBS science series since 1974 |
| 2023-06-06 | Exploding star |
| 2023-05-05 | Award-winning PBS docuseries |
| 2022-07-14 | Stellar phenomenon |
| 2022-03-23 | Flare up? |
| 2022-03-17 | Astronomical news |
| 2021-11-30 | Astronomical event |
| 2021-05-10 | PBS science show since 1974 |
| 2021-04-02 | Observation from an observatory |
| 2021-02-17 | Emmy-winning science series |
| 2020-11-12 | Sighting in a telescope |
| 2020-10-18 | Exploding star |
| 2020-05-16 | Starburst? |
| 2020-05-01 | Massive explosion |
| 2019-12-16 | Celestial explosion |
| 2019-09-21 | Flare way up? |
| 2019-06-09 | The first recorded one was noted by the Greek scientist Hipparchus in 134 B.C. |
| 2019-03-07 | PBS series since 1974 |
| 2019-02-25 | ___ Scotia |
| 2018-12-06 | ___ Caesarea, original name of New Jersey |
| 2018-11-12 | ___ Scotia |
| 2018-07-12 | Salmon variety |
| 2018-07-10 | ___ Scotia |
| 2018-02-20 | Smoked salmon |
| 2018-01-28 | Astronomical event |
| 2018-01-17 | Salmon at a deli |
| 2017-12-28 | Blast from the past, astronomically speaking? |
| 2017-12-20 | Burst in space |
| 2017-09-15 | Bygone Chevy model |
| 2017-06-14 | Terra ___ (old name for Newfoundland) |
| 2017-05-07 | Astronomer's sighting |
| 2015-11-27 | Massive explosion |
| 2015-09-23 | Deli purchase |
| 2015-08-21 | Deli item that's 14-Across backward |
| 2015-05-31 | Bagel topper |
| 2015-02-23 | Exploding star |
| 2014-06-01 | Star burst |
| 2014-01-07 | Stellar phenomenon |
| 2013-12-04 | Brilliant 13-Down |
| 2013-06-12 | PBS science series |
| 2013-05-11 | Astronomical figure? |
| 2013-04-23 | Long-running PBS science series |
| 2013-02-12 | Kind of lox |
| 2012-09-21 | Rising star? |
| 2011-07-26 | PBS science series |
| 2010-11-30 | Suddenly bright star |
| 2010-08-02 | Bright star |
| 2010-07-13 | Exploding star |
| 2010-07-11 | PBS staple since 1974 |
| 2010-06-29 | Super star |
| 2010-05-26 | ___ Scotia |
| 2009-12-24 | Astronomer's sighting |
| 2009-10-25 | Astronomer's sighting |
| 2009-07-07 | Star of changing brightness |
| 2009-05-23 | Cured and smoked salmon |
| 2009-04-09 | With 46-Down, site of Cape Breton Island |
| 2009-02-03 | Exploding star |
| 2008-09-15 | Exploding star |
| 2008-03-20 | Source for an outburst |
| 2007-07-27 | Astronomer's study |
| 2006-08-10 | Pop star? |
| 2006-06-06 | Stellar phenomenon |
| 2006-02-07 | Astronomical sighting |
| 2005-12-05 | Brilliant star |
| 2005-11-13 | Big star |
| 2005-07-24 | Astronomer's study |
| 2005-06-22 | Bagel stuffer |
| 2005-06-20 | Exploding star |
| 2004-03-21 | Bagel topper |
| 2004-02-17 | Explosive star |
| 2004-01-05 | Popular PBS science series |
| 2003-11-12 | PBS science show |
| 2003-10-19 | Bagel shop request |
| 2002-12-23 | Exploding star |
| 2002-10-10 | Stellar spectacular |
| 2002-08-22 | PBS science show |
| 2001-10-18 | Deli order |
| 2001-08-20 | ___ Scotia |
| 2001-06-18 | Bossa ___ |
| 2001-05-30 | Bagel stuffer |
| 2001-03-28 | Bagel stuffer |
| 2001-03-06 | Bygone Chevy |
| 2001-03-05 | "Super" star |
| 2000-11-13 | ___ Scotia |
| 2000-09-09 | "Super" sight |
| 2000-07-05 | PBS science series |
| 2000-05-26 | Space heater? |
| 2000-01-13 | PBS classic |
| 1999-09-14 | PBS Emmy winner |
| 1999-05-03 | Spectacular star |
| 1998-11-12 | Brunch item |
| 1998-07-16 | PBS offering |
| 1998-02-07 | Astral flareup |
| 1998-01-12 | ___ Scotia |
| 1997-08-16 | Stellar phenomenon |
| 1997-06-30 | Exploding star |
| 1997-04-30 | Astronomer's sighting |
| 1997-04-05 | Astronomical sighting |
| 1997-01-26 | Astronomer's sighting |
| 1996-12-25 | Suddenly bright star |
| 1996-10-15 | Variable star |
| 1996-08-27 | "Super" star |
| 1996-02-14 | Bygone Chevy |
| 1996-01-11 | Popular salmon |
| 1995-11-13 | PBS science series |
| 1995-11-08 | ____ Scotia |
| 1995-09-26 | Temporary superstar |
| 1995-06-29 | Old Chevy model |
| 1995-06-05 | PBS science program |
| 1995-01-19 | Science series since 1974 |
| 1994-12-12 | Exploding star |
| 1994-01-12 | Smoked salmon |
| 1993-12-08 | Award-winning science show |