They're not actual spiders, of course, but rather strange geological features.

This Mars rock is up for auction at Sotheby's in New York City this week, which is why it's currently on display in the Upper ...

A chunk of the Martian surface that made an unlikely voyage to Earth will be available to the highest bidder at Sotheby's ...

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

Mariner 4, built by JPL in Pasadena, took the images on July 14, 1965. One of the mission's leaders reflects on decades of ...

For sale: A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the ...

Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury, which would ...

Looks like Mars might have had more water than anyone previously imagined.

Compare Mars and Earth in size, atmosphere, gravity, and potential for life. Discover their differences and shared traits. Explore the mysteries of the Red Planet!

NASA’s Perseverance rover has officially set a new milestone on Mars, completing the longest road trip by any robot vehicle on another planet. On June 19, 2025, the six-wheeled explorer rolled a ...