A decades-old cosmic mystery has finally been cracked: the strange X-rays coming from the bright star gamma-Cas are caused by ...
Using various telescopes, an international team of astronomers has performed multi-wavelength observations of a recently ...
Sarah Dalessi, a fifth-year student in the College of Science at The University of Alabama in Huntsville (UAH), a part of The University of Alabama System, is the lead author of a paper published in ...
In late May 2026, the Sun erupted with 23 solar flares in a single day, one of the most active periods of Solar Cycle 25, while scientists announced the first detection of ultra-high-energy gamma rays ...
A dead star accelerates protons to extreme speeds, shedding light on the origin of the most energetic cosmic rays.