High-energy astrophysics is the study of objects and phenomena in space with energy densities much greater than that found in normal stars and galaxies. These include black holes, neutron stars, cosmic rays, hypernovae and gamma-ray bursts. A history and an overview of high-energy astrophysics will be presented, including a description of the objects that are observed. Observing techniques, space-borne missions in high-energy astrophysics and some recent discoveries will also be described. Several entirely new types of astronomy are being employed in high-energy astrophysics. These will be briefly described, along with some NASA missions currently under development
Data collected by the Pierre Auger Observatory through 31 August 2007 showed evidence for anisotropy...
Astrophysical sources of gravitational waves, such as binary neutron star and black hole mergers or ...
Astrophysical sources of gravitational waves, such as binary neutron star and black hole mergers or ...
A brief summary of some highlights in the study of high energy astrophysical sources over the past d...
We report constraints on the sources of ultrahigh-energy cosmic rays (UHECRs) above 10(9) GeV, based...
We have searched for extremely high energy neutrinos using data taken with the IceCube detector betw...
The L3+C muon detector at the CERN electron–positron collider, LEP, is used for the detection of ver...
Data collected by the Pierre Auger Observatory through 31 August 2007 showed evidence for anisotropy...
We report constraints on the sources of ultrahigh-energy cosmic rays (UHECRs) above 10(9) GeV, based...
Young core-collapse supernovae with dense-wind progenitors may be able to accelerate cosmic-ray hadr...
We have searched for extremely high energy neutrinos using data taken with the IceCube detector betw...
The Swift mission has opened a new, high redshift window on the universe. In this review we provide ...
The very high energy (VHE; E> 100 GeV) blazar Markarian 501 was observed between April 17 and May 5 ...
Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival direct...
Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival direct...
Data collected by the Pierre Auger Observatory through 31 August 2007 showed evidence for anisotropy...
Astrophysical sources of gravitational waves, such as binary neutron star and black hole mergers or ...
Astrophysical sources of gravitational waves, such as binary neutron star and black hole mergers or ...
A brief summary of some highlights in the study of high energy astrophysical sources over the past d...
We report constraints on the sources of ultrahigh-energy cosmic rays (UHECRs) above 10(9) GeV, based...
We have searched for extremely high energy neutrinos using data taken with the IceCube detector betw...
The L3+C muon detector at the CERN electron–positron collider, LEP, is used for the detection of ver...
Data collected by the Pierre Auger Observatory through 31 August 2007 showed evidence for anisotropy...
We report constraints on the sources of ultrahigh-energy cosmic rays (UHECRs) above 10(9) GeV, based...
Young core-collapse supernovae with dense-wind progenitors may be able to accelerate cosmic-ray hadr...
We have searched for extremely high energy neutrinos using data taken with the IceCube detector betw...
The Swift mission has opened a new, high redshift window on the universe. In this review we provide ...
The very high energy (VHE; E> 100 GeV) blazar Markarian 501 was observed between April 17 and May 5 ...
Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival direct...
Data collected by the Pierre Auger Observatory provide evidence for anisotropy in the arrival direct...
Data collected by the Pierre Auger Observatory through 31 August 2007 showed evidence for anisotropy...
Astrophysical sources of gravitational waves, such as binary neutron star and black hole mergers or ...
Astrophysical sources of gravitational waves, such as binary neutron star and black hole mergers or ...