Clements studies dusty, infrared-luminous galaxies and gravitationally lensed submillimetre sources using Herschel, ALMA and other facilities to probe galaxy formation and evolution, and works on transient/anomaly detection in large astronomical surveys.
Doeleman founded and directs the Event Horizon Telescope, assembling a global mm-wavelength VLBI network to image the immediate environments of supermassive black holes at horizon-scale resolution — an astronomy pivot whose entire scientific case rests on pushing angular resolution to its fundamental (diffraction/baseline) limit via a globally distributed, highly complex sensor array.
Studies galaxy formation and evolution, dwarf galaxies, stellar populations, and spectroscopic properties of distant-universe galaxies.
Studies tidal disruption events and other optical transients from supermassive black holes using time-domain spectroscopic and photometric surveys.
Studies active galactic nuclei and supermassive black holes using reverberation-mapping and time-domain spectroscopy (e.g., SDSS).
Observational high-energy astrophysicist studying black hole X-ray binaries, relativistic jets, and their impact on surrounding gas using X-ray, optical, and radio observations.
Johnson studies neutron stars and black holes via extreme-resolution VLBI imaging, including direct observation of magnetic fields and orbital dynamics near black-hole event horizons as part of the Event Horizon Telescope collaboration, pushing spatial resolution to the horizon scale.
Studies compact objects (neutron stars, white dwarfs) via precision timing measurements and uses existing and new radio arrays to explore the time-domain radio sky.
Studies active galactic nuclei, supermassive black hole binaries, and time-domain phenomena using large optical/IR spectroscopic and imaging surveys.
Madhusudhan pioneered inverse 'atmospheric retrieval' techniques to determine the chemical composition, interior structure and formation history of exoplanets from their spectra, including recent JWST-based investigations of potential biosignature gases on temperate sub-Neptunes (Hycean worlds).