Los Angeles Times: Private commercial launch providers, such as Space Exploration Technologies Corp ( SpaceX), may soon be able to compete with United Launch Alliance (ULA)—a joint venture between Lockheed Martin and Boeing—for launching national-security-related satellites into outer space. An agreement has been signed by several government agencies to establish the criteria, including detailed technical requirements and a successful launch record, for launching government payloads. On a related note, ULA is pushing for a five-year block buy of 40 of its rocket booster cores. The Government Accountability Office has raised several serious questions concerning the proposal, among them the possibility that such a block purchase could kill opportunities for competition by forcing the government to commit to more boosters than are actually needed.
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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