• Improved Nuclear Accident Code Helps Policymakers Assess Risks from Small Reactors

    New software will help the global nuclear industry in assessing the consequences of nuclear accidents. The Maccs code, developed by Sandia researchers, can also evaluate the potential health and environmental risks posed by advanced nuclear reactors and small modular nuclear reactors.

  • Providing Student Research Opportunities to Strengthen Nuclear Security

    Student researchers at The University of Texas at El Paso Aerospace Center will engage in nuclear materials technology research through a five-year, $5 million grant from the U.S. Department of Energy (DOE). Work will focus on the design, synthesis and fabrication of advanced materials.

  • Nuclear Power May Be Key to Least-Cost, Zero-Emission Electricity Systems

    Human activity is spewing carbon pollution into the atmosphere, affecting the global carbon cycle and causing warming, as well as altered precipitation patterns. Nuclear power generation can play a crucial role in helping the world reach a key goal of zero carbon emissions by the middle of the century, especially in countries with low wind resources.

  • Macron Supports Nuclear in Carbon-Neutrality Push

    France will build at least six new nuclear reactors in the decades to come, President Emmanuel Macron said on Thursday, placing nuclear power at the heart of his country’s drive for carbon neutrality by 2050.

  • Nuclear Energy as a Hidden Gem

    Advanced nuclear reactors will be a key component of a carbon-neutral economy. Andrew Breshears, a principal nuclear chemist at the U.S. Department of Energy’s Argonne National Laboratory, offers a back-to-basics look at nuclear energy, and the importance of science communication in the nuclear field.

  • The Resilience and Safety of Nuclear Power in the Face of Extreme Events

    As the prospect of extreme global events grows — from natural disasters and intensifying climate change-driven weather patterns that could affect a nuclear plant, to a rise in infectious diseases that could affect its workforce — nuclear power plants’ adaptable workforces and robust designs will be essential to staying resilient and contributing to a low carbon path to the future.

  • Ensuring Safe Nuclear Waste Disposal

    Disposal concepts call for the waste to be isolated a third of a mile belowground for safe storage, enclosed within engineered barrier systems and surrounded by subsurface rock. But there’s still the chance radionuclides might leak out if these systems lose their protective properties as it heats up due to radioactive decay. International nuclear waste disposal research effort evaluates maximum allowable temperature for buffer material.

  • Germany Closes Three of Its Six Operating Nuclear Power Plants

    The shutdowns of three plants take place as Europe faces one of its worst-ever energy crises and as support for nuclear as a low carbon energy is, once again, on the rise.

  • Belgium to Shut Down All Existing Nuclear Power Plants

    The Belgian government has said all of the country’s existing nuclear energy plants will close by 2025. However, Belgium will invest in future nuclear technology.

  • Options for the Diablo Canyon Nuclear Plant

    The Diablo Canyon nuclear plant in California, the only one still operating in the state, is set to close in 2025. Researchers argue the plant could provide multiple benefits for California, including desalinated water and clean hydrogen fuel.

  • France Sets to Invest in Small Modular Nuclear Reactors

    France plans to invest in small modular nuclear reactors (SMRs). Some experts question whether this is ecologically and economically sensible, but it may be that France’s interests in SMRs is as much about geopolitical strategy as it is about energy.

  • Future Solutions for Spent Nuclear Fuel

    Nuclear technology has been used in the United States for decades for national defense, research and development, and carbon-free electric power generation. Nuclear power is a key element of the U.S. response to climate change and reducing greenhouse gas emissions. However, nuclear energy, as an essential form of electricity production, generates radioactive waste in the form of spent nuclear fuel. Spent nuclear fuel must be handled, stored, and ultimately disposed of in a manner that won’t harm the environment.

  • Extending Nuclear Power Accident Code for Advanced Reactor Designs

    Nuclear power is a significant source of steady carbon-neutral electricity, making the design and construction of new and next-generation nuclear reactors critical for achieving the U.S.’s green energy goals. A number of new nuclear reactor designs, such as small modular reactors and non-light water reactors, have been developed over the past 10 to 15 years.Sandia Lab researchers have been expanding their severe accident modeling computer code, called Melcor, to work with different reactor geometries, fuel types and coolant systems.

  • GPS-Carrying Rat Snakes Monitor Radiation at Fukushima

    Scientists found a new way to keep track of radiation level at the Fukushima Exclusion Zone: rat snakes, which are common in Japan. The snakes’ limited movement and close contact with contaminated soil are key factors in their ability to reflect the varying levels of contamination in the zone.

  • Small Modular Reactors May Mitigate Climate Change

    The consequences of carbon emissions from the large-scale burning of fossil fuels are all around us, from relentless wildfires to scorching heatwaves to devastating floods to destructive megadroughts. There is renewed interest in nuclear energy, specifically in the new generation of small modular reactors.