Bookmark this calendar and look ... for another later in 2025 or early in 2026. If successful, the lunar landing mission, IM-3 or PRISM, will deploy rovers and study a so-called "lunar swirl." ...

Welcome to the new year. Though 2025 has just begun, calendars are already being marked with holiday observances. The Office of Personnel Management lists 12 federal holidays across 11 days.