2025 Astrophysics Small Explorers (APSMEX25) AO

2025 Astrophysics Small Explorers (APSMEX25)

 

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2023 Astrophysics Probe

 
These eyes are actually the cores of two galaxies. The smaller spiral galaxy on the left is IC 2163. It has been slowly 'creeping' behind the larger galaxy, NGC 2207. (Image Credit: NASA, ESA, CSA, STSci)

These eyes are actually the cores of two galaxies. The smaller spiral galaxy on the left is IC 2163. It has been slowly "creeping" behind the larger galaxy, NGC 2207. (Image Credit: NASA, ESA, CSA, STSci)

Introduction

"The Astrophysics Explorer Program conducts Principal Investigator (PI)-led space science investigations to advance NASA’s strategic goals in astrophysics, which are to discover the origin, structure, evolution, and destiny of the Universe and search for Earth-like planets. Additional information concerning these areas of investigation is provided through appropriate links found on the SMD homepage at http://science.nasa.gov/."
 
 
2025 Astrophysics SMEX News

04/29/2025 – The release of the Astrophysics Small Explorer (SMEX) Final AO has been postponed. [Review/Download]

01/13/2025 – Astrophysics SMEX Draft Announcement of Opportunity released. Please follow the link under Draft AO to access the solicitation.

08/16/2024 – Astrophysics SMEX Announcement of Opportunity Community Announcement (NNH24ZDA008L) released.