That’s because spiders — at least the elongate stilt spiders Gill observed — can navigate on open water using polarized light. The mechanism can, and does, rapidly lead the riverbank ...

They also catch water. Sticky webs can catch water droplets ... A report about different types of spiders, where they live, how they build webs, their diet, their bodies, legs and eyes.

From the iconic "spiders on Mars" and a giant dog-shaped blob to an underground ocean and other newly discovered water deposits, here are our 10 favorite things found on Mars this year.

"All the brown you can see is spiders trying to beat the flood water," Matt Lovenfosse wrote ... their lives cryptically on the ground can't live there anymore," explained Professor Dieter Hochuli ...