This causes them to create black branches measuring from 0.03 to 0.6 miles across (45 meters to 1 kilometer) and dot an area near Mars' South Pole known as either Inca City or Angustus Labyrinthus.

Mars’ mysterious Inca City. Most of the spots in this new image are seen on the outskirts of Angustus Labyrinthus–more commonly called Inca City.

These "spiders" near Mars' south pole were captured by an instrument aboard the European Space Agency's ExoMars Trace Gas Orbiter. The dark features form after frozen CO₂ bursts out from beneath ...

An orbiter captured signs of clustered dark dots on Mars' Inca City that resemble spiders, which formed due to seasonal eruptions of carbon dioxide gas.

The more scientists study the Red Planet, the more they find unusual objects and patterns scattered across Mars' surface.

Most of the spots can be seen near Mars' mysterious Inca City, which was first discovered by NASA's Mariner 9 probe in 1972. Its name originates from the linear, almost geometric network of ridges ...

Inca City and the aforementioned spiders were first spotted by NASA’s Mariner 9 probe in 1972. Since then, the Mars Express has captured high-resolution images of the location thanks to its High ...

Recently released satellite images show creepy-crawly formations scattered across Mars’ surface. The spider-like markings can be seen on the outskirts of Mars’ Inca City near the planet's ...

Recently released satellite images show creepy-crawly formations scattered across Mars’ surface. The spider-like markings can be seen on the outskirts of Mars’ Inca City near the planet's ...

Recently released satellite images show creepy-crawly formations scattered across Mars’ surface. The spider-like markings can be seen on the outskirts of Mars’ Inca City near the planet's ...

Recently released satellite images show creepy-crawly formations scattered across Mars’ surface. The spider-like markings can be seen on the outskirts of Mars’ Inca City near the planet's ...