Ultra-High Energy Cosmic Ray and Neutrino Observations

Ultra-high energy cosmic ray correlations with Active Galactic Nuclei in the world dataset

Ultra-High Energy Cosmic Rays Detected by Auger and AGASA:Corrections for Galactic Magnetic Field Deflections, Source Populations, and Arguments for Multiple-Components

Ultra-High Energy Cosmic Rays from Centaurus A: Jet Interaction with Gaseous Shells

Ultra-High Energy Cosmic Rays from Galactic Supernovae

Ultra-High Energy Cosmic-Ray Acceleration in the Jet of Centaurus A

Ultra-high energy nuclei source in the direction to Virgo cluster

Ultra-High-Energy Cosmic Ray Contribution from the Spin-Down Power of Black Holes

Ultra-Relativistic Magnetic Monopole Search with the ANITA-II Balloon-borne Radio Interferometer

Ultrahigh energy cosmic ray acceleration in newly born magnetars and their associated gravitational wave signatures

Ultrahigh Energy Cosmic Rays

Ultrahigh Energy Cosmic Rays and Neutrinos

Ultrahigh Energy Nuclei in the Galactic Magnetic Field

Ultrahigh Energy Nuclei in the Turbulent Galactic Magnetic Field

Ultrahigh-energy nuclei, photons, and magnetic fields

Ultrahigh-Energy Photons as a Probe of Nearby Transient Ultrahigh-Energy Cosmic-Ray Sources and Possible Lorentz-Invariance Violation

Ultraluminous X-ray Sources forming in low metallicity natal environments

Ultraluminous X-ray Sources in the Chandra and XMM-Newton Era

Ultraviolet and X-ray Variability of the Seyfert 1.5 Galaxy Markarian 817

Uncertainties of Modeling Gamma-Ray Pulsar Light Curves with Vacuum Dipole Magnetic Field