The New York Times: During her six-month stay on the International Space Station in 2002, Peggy Whitson, a NASA astronaut and biochemist, lived in a constant state of free fall. The station’s fast orbit of Earth âmdash; at 17,500 miles per hour âmdash; put everything and everyone into a weightless state, making life interesting, to say the least.
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
Get PT in your inbox
PT The Week in Physics
A collection of PT's content from the previous week delivered every Monday.
One email per week
PT New Issue Alert
Be notified about the new issue with links to highlights and the full TOC.
One email per month
PT Webinars & White Papers
The latest webinars, white papers and other informational resources.