Sedimentary rock is comprised of sediment, as the name suggests. Over time, tiny minerals, sand, rocks, and debris layer on ...

Yooperlites are rocks that fluoresce in the dark under ultraviolet light. They became known when an Upper Peninsula resident discovered them in 2017, according to the Michigan Department of ...

Since landing in the Jezero Crater in February 2021, the Perseverance rover explored a variety of Martian rock types. The rover collected samples from different rocks, analyzed others in detail ...

NASA have made a mind-boggling discovery on Mars – which may have come from an alien world. The peculiar “Skull Hill” rock has left scientists scratching their heads with its biza… ...

NASA’s Mars rover has spotted something out of this world — a mysterious, skull-shaped elevation – sitting on a slope where star-gazers say it doesn’t belong.. The mysterious rock ...

Another possibility is that the rock is igneous and formed from volcanic activity. Mars has a long history of volcanism, and igneous rocks can range in tone depending on their mineral content.

NASA's Perseverance rover has snapped an image of a mysterious rock embedded in the surface of Mars, and researchers aren't sure what to make of it.

"Alternatively, ‘Skull Hill’ could be an igneous rock eroded from a nearby outcrop or ejected from an impact crater," Deahn continues. "On Earth and Mars, ...

In a recent study, geologists say Michigan is home to the oldest known rock in the nation. Watersmeet gneiss is found in Michigan's Upper Peninsula. Minnesota's Morton gneiss previously held the ...

This image is from NASAs Mars Perseverance rover, taken by the Mastcam-Z. NASA's Mars rover has pictured a mysterious, skull-shaped rock on the Red Planet whose origin remains uncertain. The ...