| 2026-03-15 | Period of glaciation |
| 2024-07-31 | Time when glaciers form |
| 2021-05-13 | What was cool for a long time? |
| 2021-04-25 | Cold that just won't go away? |
| 2020-12-17 | Cooling-off period? |
| 2019-03-03 | Glaciologist's concern |
| 2018-12-19 | 2002 animated film with a woolly mammoth |
| 2018-02-20 | Mammoth time period |
| 2016-02-29 | Frigid time, climatically speaking |
| 2015-11-04 | When mastodons roamed |
| 2015-03-28 | Big chill? |
| 2014-09-29 | Hit 2002 film with talking sloths |
| 2012-10-10 | When mammoths roamed |
| 2012-07-30 | Big freeze |
| 2012-03-28 | When mastodons became extinct |
| 2012-03-15 | Period when Long Island was formed |
| 2010-03-22 | Period of advancing glaciers |
| 2009-06-29 | Freezing period |
| 2009-06-14 | When the Great Lakes were formed |
| 2009-04-03 | Wintry stretch |
| 2008-11-12 | When mastodons disappeared |
| 2008-07-14 | Period ending about 9000 B.C. |
| 2008-04-28 | Time of advancing glaciers |
| 2006-12-30 | Cold spell |
| 2006-07-04 | Glacial period |
| 2006-04-02 | The Pleistocene Epoch, familiarly |
| 2005-09-24 | Cooling-off period |
| 2004-04-08 | The big chill |
| 2003-12-02 | Frigid time |
| 2003-08-26 | When mastodons disappeared |
| 2003-07-18 | Part of the Quaternary Period |
| 2002-01-06 | When the Great Lakes were formed |
| 2001-08-11 | Paleontological topic |
| 2000-10-16 | When glaciers advanced |
| 2000-06-14 | Pleistocene Epoch, familiarly |
| 2000-04-09 | Hardly a cold snap |
| 2000-03-17 | When modern elephants first appeared |
| 2000-03-03 | Cooling-off period |
| 1999-10-16 | Quaternary period event |
| 1999-07-30 | Quaternary division |
| 1999-07-14 | When mammoths lived |
| 1999-05-06 | It ended about 10,000 years ago |
| 1996-04-20 | Pleistocene epoch |
| 1994-11-02 | Reign of glaciers |