Washington Post: The White House’s plan for getting astronauts into space in the coming decades entails canceling the costly Constellation launcher and relying instead on Russian and commercial launchers. As for destinations, the plan calls for a rendezvous with a suitable asteroid before a future visit to Mars or a revisit to the Moon. Astronauts Neil Armstrong and Eugene Cernan, the first and last men to walk on the Moon, oppose the plan. Testifying on 11 May before the Senate Commerce Committee, the astronauts advocated boosting NASA’s exploration budget and revising what they say is an ill-advised plan that imperils US predominance.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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