BBC: On 22 April, the US Air Force’s robot spaceplane, the X-37B, was launched atop an Atlas 5 rocket from Cape Canaveral Air Force Station in Florida. Yesterday the X-37B returned to Earth, gliding to a successful landing at Vandenberg Air Force Base in California. The reusable spaceplane is about a quarter of the size of the space shuttle. What, if anything, the X-37B carried in its cargo bay during the flight and what its ultimate purpose is remain classified.
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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