NExScI
NASA Exoplanet Science Institute
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Exoplanet Exploration Program
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Innovation for Astrophysics Missions Workshop
May 27-28, 2026
2026 Sagan Summer Workshop
July 20-24, 2026
NASA Hubble Fellowship Program
Sagan Summer Workshop
Sagan Summer Workshop YouTube Channel
NASA-Keck Call for Proposals
The NASA-Keck Partnership
NN-Explore
Exoplanet Follow-up Observing Program (ExoFOP)
Keck HIRES Radial Velocity Pipeline
Keck Observatory Archive
LBTI Data Archive
NASA Exoplanet Archive
NEID Archive
6,107
Confirmed Planets
748
TESS Confirmed Planets
7,890
TESS Project Candidates
1,034
Multi-Planet Systems
2026B NASA-Keck Call for Proposals
February 12, 2026 • Proposal Opportunity
The Call for Proposals for NASA time at the W. M. Keck Observatory in observing semester 2026B (August 1, 2026 to January 31, 2027) is now open!
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2026 Sagan Summer Workshop: Exoplanets with Roman Surveys
February 3, 2026 • Workshop Opportunity
Registration for the 2026 Sagan Summer and PROTO Workshops is now open!
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Thank you, Chas!
December 3, 2025 • Press Release
Charles (Chas) Beichman has stepped down as NExScI Executive Director after more than twenty years.
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The NASA Exoplanet Archive Hits 6,000 Planets
September 17, 2025 • Press Release
Today's milestone highlights the rapid growth of exoplanet discoveries and their importance to understanding worlds beyond our own.
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Exoplanet Mass vs. Period
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Kepler Candidate Equilibrium Temperature
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Exoplanets by Discovery Year
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Exoplanet Radius vs. Mass
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The Sagan Program
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Data Archives
Exoplanet Follow-up Observing Program (ExoFOP)
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Keck Observatory Archive
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NEID Archive
NASA Exoplanet Science
NASA Exoplanet Exploration Program
Science at NExScI
