New Scientist: Two Chinese satellites had a close rendezvous 600 km above Earth, and may even have touched, a first for any country besides the US, according to Brian Weeden, a technical consultant at the Secure World Foundation, which promotes the peaceful use of space. As New Scientist‘s Rachel Courtland reports, the event could be a test of technology needed for any number of purposes, such as to build a space station, to clear out space junk, to inspect or fix satellites, or even to damage or interfere with satellites from other countries. Weeden, however, does not believe the technology is intended for military use.
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.