Credit: M. F. Corcoran
The 2025 High Energy Year in Review
The year 2025 was a watermark in high energy astrophysics, in many ways. It's safe to say that scientific exploration, enabled by the marvelous machines made by scientists and engineers at NASA and other research institutions, has never seemed more important. The year started with a dramatic spacewalk by astronauts on the ISS to help repair NICER, NASA's exquisite X-ray timing facility (and resulting in one of the most impressive selfies of all time). The year saw the end of the INTEGRAL mission, after its astonishing 23-year journey resolving some of the highest-energy sources in space. We've been reminded, again and again, how we're living through a unique time in history, and how precious are the hard-fought technological advances, past, present and future, needed to explore the long-standing mysteries of the Universe. During the year 2025 we also experienced the raging Sun, near the maximum of its solar cycle, showering earth with high-energy radiation and energetic particles. NASA's IXPE and JAXA's XRISM, provided important breakthroughs in our undertanding of the order and dynamics of emission from black holes, galaxies and stars. One can only look forward to the brave new advances in our understanding of the nature of the Universe, and our humble place within it.
Published: December 29, 2025
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Page Author: Dr. Michael F. Corcoran
Last modified Monday, 05-Jan-2026 11:19:16 EST