Researchers have recreated the bizarre spider-like features seen on the surface of Mars for the first time ever. The breakthrough could help unravel further mysteries surrounding the static Martian arachnids.

Tests on Earth appear to confirm how the red planet's spider-shaped geologic formations are carved by carbon dioxide.

Mars has something on its surface that cannot be found anywhere else in the solar system. Unusual dark structures, which resemble spiders in appearance, are known as araneiforms. They appear in the southern polar region of the planet during spring.

Mars is home to strange spider-shaped geologic formations known as the araneiform terrain, which are found mostly in the southern hemisphere.