Understanding how ‘spiders’ form on Mars’ surface

For the past 20 years, scientists have been examining mysterious “spiders” on Mars. They’re not actual arachnids, but rather dark blobs that branch into spider-like patterns in the Martian soil. It’s unlike anything that takes place on Earth. But researchers in England have now found a way to recreate the environment — and the spider-like features. The World’s Marco Werman has the details.

Invest in independent global news

The World is an independent newsroom. We’re not funded by billionaires; instead, we rely on readers and listeners like you. As a listener, you’re a crucial part of our team and our global community. Your support is vital to running our nonprofit newsroom, and we can’t do this work without you. Will you support The World with a gift today? Donations made between now and Dec. 31 will be matched 1:1. Thanks for investing in our work!