A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

The Hubble Space Telescope is making waves again, this time for a snapshot of a spiral galaxy located 250 million light-years ...

The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

In October 2022, a blast of light from deep space outshone anything humanity has ever witnessed. The gamma-ray burst, later named “The BOAT,” unleashed more energy in seconds than our sun will emit in ...

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...

From the ISS, scientists are capturing rare lightning above storms that could impact radio, climate, and safety.

Citations N. Østgaard et al. Flickering gamma-ray flashes, the missing link between gamma glows and TGFs. Nature. Vol 634, October 3, 2024, p. 53. doi: 10.1038/s41586-024-07893-0. M. Marisaldi et ...

“The ability to make coherent gamma rays would be a scientific revolution in creating new kinds of light sources, similar to how the discovery and development of visible light and X-ray sources ...

Early-time gamma-ray constraints on cosmic-ray acceleration in the core-collapse SN 2023ixf with the Fermi Large Area Telescope. Astronomy & Astrophysics, 2024; DOI: 10.1051/0004-6361/202349061 ...

Gamma rays are weightless, high-energy packets of electromagnetic radiation — the same stuff that makes up light. However, while visible light can comfortably light up a room, gamma rays can penetrate ...

An unexpected and unexplained gamma-ray signal from beyond the Milky Way found among 13 years of NASA Fermi Telescope data could be linked to another cosmic mystery.