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Next Event March 21 2025 Detecting Exoplanets by Gravitational Microlensing Survey Gaps Rogues David Bennett NASA Goddard Space Flight Center Past Event March 7 2025 Alphabet Histories The Origins of Letters from Antiquity to the Present Johanna Drucker UCLA Past Event February 21 2025 The James Webb Space TelescopeKeyMoments in its History From Napkin to Lagrange Point Robert Smith University of Alberta Edmonton Past Event February 7 2025 Remote Sensing of Wildfires Michael Falkowski Michael Seablom NASA Past Event January 24 2025 Highlights of the XRay Universe Chandras 25 Years of Observations and More to Come Scott Wolk HarvardSmithsonian Chandra XRay Center Past Event January 10 2025 Fusion Energy Meeting the Engineering Challenges Javier E. Garay UC San Diego Past Event December 6 2024 The Science Driving Particle Physics and Big Accelerators JoAnne Hewett Brookhaven National Laboratory Past Event November 22 2024 The Nuclear Clock Scaling Quantum Systems for Precision Metrology Keeping Time with Nuclear Transitions Jun Ye JILA University of Colorado Boulder Past Event November 1 2024 Ukraine Conflict Uncrewed Ubiquitous Unprecedented Technology Applied to Modern War Jason Eckberg USAF Past Event October 18 2024 The Science of Rare Isotopes From the Cosmological Origin of the Elements to Making Rare Isotopes for Use on Earth Alexandra Gade Michigan State University Upcoming Events Detecting Exoplanets by Gravitational Microlensing Survey Gaps Rogues David Bennett Senior Research ScientistNASA Goddard Space Flight Center Unidentified Anomalous PhenomenaFrom Sensationalism to Science The NASA Panels Investigations and Report Joshua Semeter Professor Electrical and Computer EngineeringBoston University SPHERExAn Allsky Infrared Spectral Survey Explorer Satellite James J. Bock Marvin L. Goldberger Professor of PhysicsJet Propulsion Laboratory Senior Research ScientistCaltech TBA Muon Colliders Great Technical Challenges Revolutionary Energies Mark Palmer Chair Accelerator Facilities DivisionBrookhaven National Laboratory See All Upcoming Events Featured Videos A Planet Definition Debate Alan Stern PI New Horizons Mission Ron Ekers Past President IAU The Doom of Spacetime Nima ArkaniHamed Professor The Institute for Advanced Study Princeton andA.