Observation and studies of jet quenching in PbPb collisions at nucleon-nucleon center-of-mass energy = 2.76 TeV

Observation from space of ultra high energy cosmic rays with the EUSO experiment

Observation of $Au + Au \to Au + Au + ρ^0$ and $Au + Au \to Au^* + Au^* + ρ^0$ with STAR

Observation of $ΔφΔη$ Scaled Correlation Signals which increase wirh Centrality of Au Au collisions at $\sqrt{s_{NN}}$ = 200 GeV

Observation of $ρ/ ω$ Meson Modification in Nuclear Matter

Observation of 511 keV peak high count rate in studying (n,x) and (g,x) reactions on terbium

Observation of a neutrino burst from the supernova SN1987a

Observation of a nuclear rainbowlike phenomenon in the (3He,t) charge-exchange reaction

Observation of a unitary cusp in the threshold γp -> π^{0}p reaction

Observation of an ABC effect in proton-proton collisions

Observation of an Antimatter Hypernucleus

Observation of arrival times of EAS with energies or = 6 X 10 (14) eV

Observation of beta decay of In-115 to the first excited level of Sn-115

Observation of bound-state β- decay of bare 187Re using magnetic analysis

Observation of bound-state β- decay of bare 187Re using magnetic analysis.

Observation of charge-dependent azimuthal correlations and possible local strong parity violation in heavy ion collisions

Observation of coherent $π^0$ electroproduction on deuterons at large momentum transfer

Observation of coincident air showers over a very large area

Observation of different azimuthal emission patterns for K+ and of K- mesons in Heavy Ion Collisions at 1-2 AGeV

Observation of Direct Photons in Central 158 A GeV 208Pb+208Pb Collisions