Wired Science: Retired NASA astronaut and scientist Franklin Chang- Diaz believes the next set of space-based science instruments should be launched by a cheaper rocket. Diaz is now the head of the Ad Astra Rocket Company which is building a new heavy-lift launcher to do just that. In tonight’s Wired Science on PBS, Diaz describes some of the new advances in rocket technology that is allowing entrepreneurs such as himself to attempt to compete with Lockheed and Boeing.
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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