Science ❯ Astrophysics

High-Energy Astrophysics

X-ray Astronomy X-ray Emission X-ray Emissions Multi-Messenger Astronomy Matter-Antimatter Production Supermassive Black Holes X-Ray Emission Neutrino Sources Particle Acceleration Jets Quasi-Periodic Eruptions Gamma-Ray Astronomy Cosmic Explosions Gamma-ray Astronomy Radiation Processes Binary Pulsars Pulsars Gamma Rays Gamma-Ray Bursts Gamma Radiation Spectral Energy Distribution Gas Accretion

4 ARTICLES

last mo.

Commercial Servicer Regains Partial Control After Multi‑Axis Spin

Engineers are using gimbaled xenon thrusters and software fixes to try to stabilize the craft and complete a boost of NASA’s Swift before the observatory’s orbit decays this autumn.

11 ARTICLES

6mo ago

XRISM Confirms White Dwarf Powers Gamma Cassiopeiae’s Extreme X-Rays

3 ARTICLES

6mo ago

KM3NeT Study Points to Blazar Population as Plausible Source of Record 220 PeV Neutrino

8 ARTICLES

8mo ago

Early-Universe Quasar Defies Models With 13 Times the Eddington Limit, Bright X-Rays and a Radio Jet

5 ARTICLES

9mo ago

JWST Spots Record-Distant Supernova Tied to March Gamma-Ray Burst

10 ARTICLES

this yr.

Record-Setting Day-Long GRB 250702B Confirmed at z = 1.036 as Origin Remains Unsettled

8 ARTICLES

last yr.

VLBA Unveils Toroidal Magnetic Field in Neutrino-Bright Blazar Jet