NExScI
NASA Exoplanet Science Institute
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2025 Sagan Summer Workshop
July 21-25, 2025
ExSoCal 2025
December 15-16, 2025
Spirit of Lyot 6
February 2-6, 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
5,989
Confirmed Planets
687
TESS Confirmed Planets
7,668
TESS Project Candidates
1,002
Multi-Planet Systems
2026A NASA Keck Call for Proposals Released
August 8, 2025 • Call for Proposals
The Call for Proposals for NASA time at the W. M. Keck Observatory in observing semester 2026A (February 1, 2026 to July 31, 2026) is now open.
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Evidence for a Planet around the Closest Solar Twin
August 7, 2025 • Press Release
New JWST observations provide the strongest evidence to-date of a gas giant orbiting Alpha Centauri A.
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One Million ExoFOP Files and Counting
June 7, 2025 • Press Release
Congratulations to the Exoplanet Follow-up Observing Program (ExoFOP) for surpassing one million user-submitted data files!
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A Giant Planet around a Tiny Star
June 4, 2025 • Press Release
The discovery of a giant planet orbiting a tiny star challenges theories on planet formation.
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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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Science at NExScI
