Discovery of an unidentified Fermi object as a black widow-like millisecond pulsar

Discovery of black hole spindown in the BATSE catalogue of long GRBs

Discovery of burst oscillations in the intermittent accretion-powered millisecond pulsar HETE J1900.1-2455

Discovery of Eclipses from the Accreting Millisecond X-ray Pulsar SWIFT J1749.4-2807

Discovery of extended and variable radio structure from the gamma-ray binary system PSR B1259-63/LS 2883

Discovery of extended VHE γ-ray emission from the vicinity of the young massive stellar cluster Westerlund 1

Discovery of extended X-ray emission around the highly magnetic RRAT J1819-1458

Discovery of extreme particle acceleration in the microquasar Cygnus X-3

Discovery of gamma and X-ray pulsations from the young and energetic PSR J1357-6429 with Fermi and XMM-Newton

Discovery of Gamma-ray Emission from M31 via FERMI-LAT

Discovery of gamma-ray emission from the Broad Line Radio Galaxy Pictor A

Discovery of gamma-ray emission from the supernova remnant Kes 17 with Fermi Large Area Telescope

Discovery of GeV gamma-ray emission from PSR B1259-63/LS 2883

Discovery of hard-spectrum γ-ray emission from the BL Lac object 1ES 0414+009

Discovery of High-energy and Very High Energy Gamma-ray Emission from the Blazar RBS 0413

Discovery of High-Energy and Very High-Energy Gamma-Ray Emission from the Blazar RBS 0413

Discovery of High-Energy Gamma-Ray Emission from the Binary System PSR B1259-63/LS 2883 Around Periastron with Fermi

Discovery of high-frequency quasi-periodic oscillations in the black-hole candidate IGR J17091-3624

Discovery of K-Shell Emission Lines of Neutral Atoms in the Galactic Center Region

Discovery of long-term superorbital periodicities in the pseudo-transient LMXBs: IGR J17098-3628 and EXO0748-676