Keck Diffraction-Limited Imaging of the Young Quadruple Star System HD 98800

Keck ESI Observations of Metal-Poor Damped Lyman-α Systems

Keck High Resolution Spectroscopy of PKS 0123+257: Intrinsic Absorption in a Radio Loud Quasar

Keck High-Resolution Spectroscopy of Outflows in Infrared Luminous Galaxies

Keck Hires Observations of the QSO First J104459.6+365605: Evidence for a Large Scale Outflow

Keck HIRES spectra of the brown dwarf DENIS-P J1228.2-1547

KECK HIRES Spectroscopy of APM 08279+5255

Keck Hires Spectroscopy of Candidate Post T Tauri Stars

Keck HIRES Spectroscopy of Extragalactic HII Regions: C and O Abundances from Recombination Lines

Keck II spectroscopy of mHz quasi-periodic oscillations in Hercules X-1

Keck Imaging of Binary L Dwarfs

Keck Imaging of the Globular Cluster Systems in the Early--type Galaxies NGC 1052 and NGC 7332

Keck Infrared Observations of GRO J0422+32 in Quiescence

Keck Interferometer observations of classical and weak line T Tauri stars

Keck Interferometer Observations of FU Orionis Objects

Keck IR Spectroscopy of WZ Sge: Detection of Molecular Emission from the Accretion Disk

Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J1534-2952AB: First Dynamical Mass Determination of a Binary T Dwarf

Keck Laser Guide Star Adaptive Optics Monitoring of the M8+L7 Binary LHS 2397aAB: First Dynamical Mass Benchmark at the L/T Transition

Keck LWS Mid-IR Observations of Nearby LLAGN

Keck Measurement of the XTE J2123-058 Radial Velocity Curve