National Geographic: For the first time, scientists are planning to drill all the way through Earth’s kilometers-thick crust to the planet’s deep, hot mantle and retrieve samples, writes Richard Lovett for National Geographic. The samples, they say, would rival Moon rocks for sheer scientific importand be nearly as hard to get. Until now, suitable technology was lacking. But better knowledge of Earth’s shell and technological advancesfor example, a Japanese drill ship equipped with 10 kilometers of drilling pipehave put the goal within reach, according to a commentary in this week’s issue of Nature, cowritten by Damon Teagle, a geologist at the University of Southampton in the UK. Mantle rocks would tell us much about Earth’s origins and history, says Teagle.
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.