Amendment 17: F.4 Habitable Worlds Step-2 Due Date Delay

The goal of the Habitable Worlds program is to use knowledge of the history of the Earth and the life upon it as a guide for determining the processes and conditions that create and maintain habitable environments (including transient environments) and to search for ancient and contemporary habitable environments and explore the possibility of extant life beyond the Earth.

ROSES-2022 Amendment 17 delays the due date for Step-2 proposals for F.4 Habitable Worlds (HW) to February 3, 2023. The due date for HW Step-1 proposals remains November 8, 2022.

On or about May 13 2022, this Amendment to the NASA Research Announcement "Research Opportunities in Space and Earth Sciences (ROSES) 2022" (NNH22ZDA001N) will be posted on the NASA research opportunity homepage at and will appear on SARA's ROSES blog at:

Questions concerning F.4 HW may be directed to Becky McCauley Rench at

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