Historical clue formulations

• Overseer of Artemis — 2025-11-08
• Org. with the pioneering Artemis program — 2025-07-11
• Org. with probes — 2025-05-08
• Launch party? — 2025-02-25
• Org. with a climate research program — 2025-01-18
• Grp. whose logo features an orbiting spacecraft — 2024-12-09
• Org. with the Artemis program — 2024-09-22
• Org. that runs the Jet Propulsion Laboratory — 2024-08-05
• Apollo mission org. — 2024-07-29
• Viking group? — 2024-06-23
• Org. with the Artemis program — 2024-06-19
• Org. that shoots for the stars? — 2024-06-17
• Employer of rocket scientists — 2024-05-08
• Org. with the Hubble telescope — 2024-05-06
• Launch party? — 2023-12-02
• Org. that operates the James Webb telescope — 2023-05-29
• Ingenuity org. — 2023-03-16
• Org. in 2016's "Hidden Figures" — 2022-12-22
• Launch party? — 2022-11-11
• Org. that sent Perseverance to 63-Across — 2022-08-31
• Perseverance's org. — 2022-07-13
• Org. behind the Artemis program — 2022-04-20
• Org. exploring Mars — 2021-09-27
• Org. that flew a helicopter on Mars in 2021 — 2021-09-12
• Org. with missions to Mars — 2021-07-05
• Org. with programs that are taking off? — 2021-06-22
• Org. with Perseverance — 2021-03-24
• "Hidden Figures" org. — 2021-01-15
• Org. with boosters — 2020-12-20
• It might send you to the moon — 2020-07-15
• Cape Canaveral org. — 2020-06-29
• Org. with skyrocketing expenses? — 2020-05-20
• Org. behind the New Horizons project — 2020-05-10
• Org. in charge of the 23-Down — 2020-04-05
• Mission-driven org. — 2020-01-05
• Launch party? — 2019-09-18
• Big employer in Huntsville, Ala. — 2019-03-06
• Org. behind the New Horizons probe — 2019-01-22
• Org. behind the InSight mission — 2018-12-20
• Org. prominent at Cape Canaveral — 2018-09-25
• Org. doing exploratory work — 2018-08-29
• Mariner's org. — 2017-11-12
• Team in Houston — 2017-09-09
• Grp. with a mission — 2017-07-23
• Moon unit? — 2017-07-12
• Org. involved in a probe — 2017-05-28
• Org. that hires many engineers — 2017-04-06
• Org. that operates the Jupiter orbiter — 2017-04-03
• Grp. that might have a launch party — 2017-03-12
• Org. featured in 16-Across — 2016-11-26