Science Quickly NASA’s nuclear spacecraft, Iran war climate fallout and a promising new Lyme shot
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Mar 30, 2026 Lee Billings, senior space and physics editor who explains space policy and propulsion, breaks down NASA’s push for nuclear-powered Mars missions and the role of reactors for a long-term lunar base. He also covers how the Iran war’s strikes and reconstruction drive big carbon costs. Plus a look at promising phase‑three results from a new Lyme vaccine.
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Nuclear Electric Spacecraft Could Transform Mars Missions
- NASA announced Space Reactor 1 Freedom, a nuclear electric spacecraft planned before the end of 2028 to carry three Skyfall copters to Mars.
- Nuclear electric propulsion yields far higher energy density than chemical rockets, enabling longer missions and less fuel for crewed Mars trips.
Nuclear Power Is Key For A Durable Moon Base
- NASA links lunar base plans and nuclear systems because reactors can supply continuous power through long lunar nights.
- A moon base needs reliable nuclear electricity distinct from nuclear rockets, both relying on fissile material with sensitive implications.
Nuclear Propulsion Cuts Fuel Burden For Mars
- Nuclear rockets dramatically cut required propellant mass compared with chemical rockets, making crewed Mars missions more feasible.
- Chemical approaches could demand launching the equivalent of dozens of ISS modules just for fuel, while nuclear offers much greater energy density.