Historical clue formulations

• Science-and-nature magazine, familiarly — 2026-02-15
• Channel with a yellow rectangle logo, informally — 2025-07-08
• Nature-centric channel, familiarly — 2024-05-23
• Cable channel with many science shows, familiarly — 2019-01-07
• Airer of Neil deGrasse Tyson's "StarTalk" — 2018-02-03
• "Explorer" channel — 2016-02-24