The Unruh effect revisited
The unseen companion of HD114762 - A probable brown dwarf
The Unsupervised Acquisition of a Lexicon from Continuous Speech
The unusual gamma-ray burst GRB 101225A explained as a minor body falling onto a neutron star
The unusual lightcurve of 1990 TR
The unusual metallic particles in Krymka LL3.0 chondrite
The unusual phase curve of Titan's surface observed by Huygens’ Descent Imager/Spectral Radiometer
The Unusual Photometric Properties of Some Outer Satellites Evidence for Geologic Activity
The Unusual S Star Binary HD 191589
The unusual S star system HD 191589
The Unusual Spectra of 15 Near-Earth Asteroids and Extinct Comet Candidates
The unusual X-ray emission of the short Swift GRB 090515: Evidence for the formation of a magnetar?
The unusual X-ray transient NLS1 WPVS 007 in high state
The Unusual Xenon in Acid-Resistant Residues of the Efremovka CV Chondrite
The update complexity of selection and related problems
The Upgraded CARISMA Magnetometer Array in the THEMIS Era
The UPLNC Compiler: Design and Implementation
The upper and lower Thvera sedimentary geomagnetic reversal records from southern Sicily
The upper atmosphere of Jupiter from VLT/ISAAC observations
The upper atmosphere of Titan