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U.S. Plans to Launch Nuclear Fission-Powered Spacecraft to Fly by Mars by End of 2028
The National Aeronautics and Space Administration (NASA) is advancing the Space Reactor-1 "Freedom" (SR-1 Freedom) mission, with the goal of launching a nuclear fission-powered spacecraft by the end of 2028 to validate deep-space nuclear electric propulsion technology. According to existing mission documentation, the mission plans to fly by Mars in 2029 and deploy the SkyFall payload. The SR-1 Freedom is neither a fusion spacecraft nor a crewed Mars vehicle. Its core experiment is to operate a small uranium fission reactor, an energy conversion system, and Hall-effect thrusters in coordination beyond Earth orbit, accumulating engineering data for future higher-power deep-space missions...
2026-08-24
Japan's GX Promotion Organization Invests in Nuclear Fusion Startups
2026-08-24
Collective Radiation Dose of Workers at Japan's Fukushima Daiichi Nuclear Power Station Ranks Highest Nationwide
2026-08-24
No abnormalities detected at multiple nuclear power plants after earthquake in Ibaraki Prefecture, Japan
2026-08-24
Magnitude 3.1 Earthquake in South Korea Does Not Affect Safety of Nuclear Facilities
2026-08-24
Calm Prevails Around Iran's Bushehr Nuclear Power Plant
2026-08-24
Russia Advances Development of Nuclear-Powered Underwater Natural Gas Carriers
2026-08-24
Half of Turbines at Hungary's Paks Nuclear Power Plant Back in Operation
2026-08-24
Italy's Eni Plans to Build Commercial Nuclear Fusion Power Plant in Europe by Early 2040s
2026-08-24
August 21 news, researchers from the Moscow Institute of Physics and Technology, the Institute for Nuclear Research of the Russian Academy of Sciences, the National Research Nuclear University MEPhI, and the Landau Institute for Theoretical Physics of the Russian Academy of Sciences have proposed a new experimental scheme to study the electric dipole moments of protons and deuterons in a single storage ring. The scheme can be implemented both in specially constructed new facilities and, potentially, in upgraded existing accelerator complexes. The electric dipole moments of protons and deuterons reflect the asymmetry of the internal charge distribution relative to the spin direction. According to Standard Model predictions, their values are non-zero but extremely small, on the order of 10⁻³¹ e·cm, far below current experimental sensitivity...
2026-08-24
Physicists at the European Organization for Nuclear Research (CERN), analyzing a new batch of collision data from the CMS detector at the Large Hadron Collider, have found that oxygen and neon nuclei do not behave entirely as predicted by existing models in high-energy collisions. This result indicates that the scientific community's understanding of the shapes and internal structures of certain light nuclei still requires further refinement. In high-energy nuclear collisions, a quark-gluon plasma is briefly formed in the collision region. This state of matter decays rapidly, but the collective flow characteristics of its particles can be used to infer the collision geometry and indirectly provide information about nuclear structure. Researchers believe that symmetric collisions of light ions help better control the initial collision conditions, making them suitable for studying collective responses in small systems.
2026-08-24
Busan Metropolitan City stated on August 24 that since the discharge of contaminated water from the Fukushima nuclear power plant began in 2023, the city has continuously conducted radiation monitoring and analysis of coastal seawater and seafood. The results show that the safety conditions of Busan's waters and seafood remain stable with no abnormal changes detected. According to Busan Metropolitan City, seawater radioactivity testing is currently conducted at 26 coastal points. Among them, samples from 14 coastal locations including Haeundae, Gwangalli, Dadaepo, Songdo, and Songjeong are analyzed by the Busan Metropolitan City Institute of Health and Environment and local university research institutions. Test results show that the concentrations of relevant radionuclides are far below the World Health Organization drinking water standards, with cesium-134,...
2026-08-24
The Jilin Provincial Medical Products Administration issued a public notice on August 21 stating that, in accordance with the Drug Administration Law of the People's Republic of China, the Regulations on the Administration of Radiopharmaceuticals, the Measures for the Supervision and Administration of Drug Production, and other relevant provisions, following on-site inspection and review approval, it intends to issue the Radiopharmaceutical Production License to Changchun Atom High-Tech Pharmaceutical Co., Ltd. The public notice period is 5 working days, subject to public supervision. The notice information shows that the registered address of Changchun Atom High-Tech Pharmaceutical Co., Ltd. is located at No. 770 Shengye Road, Beihu Science and Technology Development Zone, Changchun City, Jilin Province, and the proposed production address for the license is consistent with the registered address. The proposed production scope for this license is small-volume injections for in vivo radiopharmaceuticals, involving products such as Sodium Pertechnetate [99mTc] Injection, Technetium [99mTc] Methylenediphosphonate Injection, Technetium [99mTc] Methoxyisonitrile Injection, Technetium [99mTc] Pentetate Injection, Technetium [99mTc] Ethyl Cysteinate Dimer Injection, and Technetium [99mTc] Etifenin Injection.
2026-08-24
The city of Brive-la-Gaillarde in the Nouvelle-Aquitaine region of France is using the Sterile Insect Technique (SIT) to control tiger mosquitoes. Since May 2025, the city has been working with the Montpellier-based company Terratis, releasing male mosquitoes that have been treated with X-ray irradiation and rendered incapable of reproduction, in order to reduce the tiger mosquito population. The core of this method is to allow sterile males to mate with wild females, causing the females to lay eggs that cannot hatch. Although it may appear that mosquitoes are still being released in active mosquito areas, the released individuals are males, which do not bite humans. As of October 31, 2025, Brive has deployed nearly 11 million sterile male mosquitoes across 58 release points covering more than 100 hectares, with a weekly release volume of approximately 400,000...
2026-08-23
The International Atomic Energy Agency recently reported that research reactors continue to play a vital role in medical, scientific, industrial innovation, and nuclear workforce development, serving as key infrastructure for many countries to build their nuclear science and technology capabilities. Currently, 228 research reactors are in operation across 54 countries worldwide, with another 23 under construction or in the planning stage. Unlike nuclear power reactors used for electricity generation, research reactors primarily produce neutrons for applications in medicine, industry, agriculture, geological sciences, forensics, and other fields. With capabilities such as neutron irradiation, neutron imaging, elemental analysis, and radioisotope production, research reactors have become important platforms for advancing peaceful nuclear technology applications. In the medical field, research...
2026-08-23
The Texas Department of Public Safety recently highlighted an airborne radiation detection capability being advanced by its Aviation Operations Division. The program integrates specialized radiation detection sensors and real-time data transmission systems onto helicopters, enabling crew members to rapidly survey large areas from the air and relay relevant information to ground personnel in a timely manner, supporting homeland security and security operations for major public events. According to reports, this capability is implemented jointly by the Aviation Operations Division and the Radiation/Nuclear Unit of the Commercial Vehicle Enforcement Division. The equipment has already been used to support security operations for major events, including FIFA-related venues in Houston and Dallas, and will continue to serve...
2026-08-23
