Space.com: Today Iran is poised to launch its fourth satellite into space atop a Safir 1B rocket. Fajr (" Dawn”), the country’s first maneuverable spacecraft, is a reconnaissance vehicle that will snap photos of Earth for the next year and a half. Also today Iran is scheduled to meet with United Nations officials in Baghdad to review the country’s nuclear program. Critics in the West fear that Iran’s space activity masks the testing of its ballistic missile technology.
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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