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Gamma

Light curve of the gamma-ray flare (bottom) and collection of quasi-simulated images of the M87 jet (top) at various scales obtained in radio and X-ray during the 2018 campaign. The instrument, the wavelength observation range and scale are shown at the top left of each image.

Massive Black Hole in M87 Unleashes First Gamma-ray Flare in Over a Decade

Artist's impression of a magnetar. Magnetars are the cosmic objects with the strongest magnetic fields ever measured in the Universe.

Rare Magnetar Flare Spotted in Nearby Galaxy M82

Artist's visualization of GRB 221009A showing the narrow relativistic jets — emerging from a central black hole — that gave rise to the GRB and the expanding remains of the original star ejected via the supernova explosion. Using the James Webb Space Telescope, Northwestern University postdoctoral fellow Peter Blanchard and his team detected the supernova for the first time, confirming GRB 221009A was the result of the collapse of a massive star. The study’s co-authors also found that the event occurred in a dense star forming region of its host galaxy as depicted by the background nebula.

Unraveling the Mysteries of the Brightest Gamma-Ray Burst: A Supernova Without Heavy Elements

Largest chemical map of the Milky Way unveiled

Fermi Bubbles Explained: Fast Outward Winds and ‘Reverse Shock’ at Center of Galaxy

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