Back to today’s briefing

Story perspectives

Final Supermoon of 2025 Shines December 4

12/4/2025

24 5 Full Breakdown

Summary

Story summary

The final supermoon of 2025, known as the Cold Moon, will peak December 4 at 6:14 p.m. ET, appearing larger and brighter as the Moon nears Earth.
Arizona and Colorado are prime viewing locations due to favorable conditions.
The Cold Moon marks winter’s start and the longest night.
The event coincides with Artemis II, planned for early 2026, which aims to send astronauts around the moon.

History

Historical Context

The Cold Moon, peaking on December 4, 2025, marks winter's arrival and the longest night. This event connects to the Apollo 11 mission in 1969, which was humanity's first moon landing, and the upcoming Artemis II mission in early 2026, aiming to send astronauts around the moon. These milestones highlight ongoing advancements in space exploration and international collaboration among agencies like NASA and ESA.

1 of 2

Story summary

The final supermoon of 2025, known as the Cold Moon, will peak December 4 at 6:14 p.m. ET, appearing larger and brighter as the Moon nears Earth.
Arizona and Colorado are prime viewing locations due to favorable conditions.
The Cold Moon marks winter’s start and the longest night.
The event coincides with Artemis II, planned for early 2026, which aims to send astronauts around the moon.

1 / 2