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Science
Facilitating transformational UVOIR astrophysics.
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Technology
Developing innovative, enduring systems and components.
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Multimedia
Ready-to-use visuals, videos, presentations, and more.
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Get Involved
Contribute to the Habitable Worlds Observatory.
Announcements
Current
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Pre-proposal Workshop for HWO Instrument Concept Studies Solicitation
Register to attend a workshop, in person or online, that will support the development of proposals for U.S.-led HWO instrument concept studies.
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Read HWO25 Proceedings Part I: Community Science Case Development Documents
The first part of the HWO25 conference proceedings has been published, and is available to all. Part two is anticipated in a few months.
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Submit papers to the RASTI Special Issue for HWO
Papers on topics like software, tools, and methodologies are all eligible. Submit your work by August 31, 2026.
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Habitable Worlds Science Case Development Documents Released
The research community is invited to join the HWO science cases as endorsers and provide feedback.
More Information
Events
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HWO2026 Conference: Where Cutting-edge Science Shapes Tomorrow's Technology
We are delighted to announce the second open community event for the Habitable Worlds Observatory (HWO), to be held in Paris, France. Building on the momentum of the inaugural meeting...
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Pre-proposal Workshop for HWO Instrument Concept Studies Solicitation
NASA plans to solicit proposals for carrying out U.S.-led Habitable Worlds Observatory (HWO) instrument concept studies in spring 2026. These proposals should result in the formation...
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American Astronomical Society (AAS) 247 Meeting
Attend Habitable Worlds Observatory (HWO) events organized by various institutions during the 247th American Astronomical Society Meeting in Phoenix, Arizona.
