Faculty
 Richard Black Professor Scott Tremaine: Astrophysical dynamics; formation and evolution of planetary systems; galactic structure and evolution; supermassive black holes in galaxies
 Professor Matias Zaldarriaga: Cosmology  early universe cosmology, cosmological perturbation theory, cosmic microwave background, largescale structure, dark matter and dark energy
Visiting Professor

Maureen and John Hendricks Visiting Professor Rashid Sunyaev: Theoretical astrophysics, high energy astrophysics and cosmology: including CMB, clusters of galaxies, theory of accretion onto black holes and neutron stars, interaction of matter and radiation under astrophysical conditions, xray astronomy
Current Members
 Valentin Assassi: Cosmology: inflation, primordial nonGaussianity, largescale structure, halo biasing, cosmological perturbation theory
 Ben BarOr: Stellar dynamics, statistical mechanics of stellar systems, galactic nuclei, accretion disks, nearly Keplerian systems, the three body problem, star clusters
 Liang Dai: Cosmology, inflation, large scale structure, cosmic microwave background, general relativity and gravitational waves, gravitational lensing, dark matter and neutrinos

JeanBaptiste Fouvry: Kinetic theory, selfgravitating systems, galactic dynamics, secular evolution, longrange interactions
 Vera Gluscevic: Cosmology, cosmic microwave background, dark energy, inflation; directdetection searches for dark matter; cosmic reionization; primordial magnetic fields

Adrian Hamers : Gravitational dynamics — secular evolution of hierarchical systems including multiplanet and multistar systems, and galactic nuclei. Applications to hot Jupiters, compact objects, SNe Ia, tidal disruptions and gravitational wave sources

Alexander Kaurov :Reionization, cosmology, early universe and galaxy formation, 21 cm probes; dark matter annihilation; neutron stars

Morgan MacLeod: Binary star interactions, common envelope episodes, and the formation of compact (and merging) binaries; stellar dynamics of clusters, especially interactions of compact objects and stars in clusters and tidal disruptions of stars; astronomical transients.
 Tejaswi Nerella: Cosmology, reionization, 21cm cosmology, dark matter, neutrinos, magnetic fields, gravitational waves, large scale structure, radio astronomy, cosmic microwave background, cosmological perturbation theory, neutron stars, tidal interactions
 James Owen: Star and planet formation; accretion discs; exoplanets; astrophysical fluid dynamics; radiative transfer and numerical simulations

David Radice: Gravitationalwave sources, multimessenger astronomy, rprocess nucleosynthesis; neutronstar mergers, corecollapse supernovae; numerical relativity
 Roman Rafikov: Theoretical astrophysics, planetary sciences, planet formation, Nbody dynamics, astrophysical fluid dynamics, accretion disks, highenergy astrophysics
 Marcel Schmittfull: Cosmology, largescale structure, gravitational lensing of the cosmic microwave background; inflation, dark energy, neutrinos; observables beyond the power spectrum
 Marko Simonović: Inflation, primordial nonGaussianities, largescale structure, cosmological perturbation theory, modifications of gravity
Visitors
 Tim Morton: Extrasolar planets; statistical analysis; scientific software development