This used to be sand and other sediment - that's why it is called sandstone - which is a type of sedimentary rock. Sedimentary rocks are formed when pieces of rock are eroded, or worn away ...

The Perseverance rover is making a long trek up a crater rim to study potentially habitable environments and some of the most ...

The critical importance of these rocks, sampled from river deposits in a dried-up lake that once filled a crater called ...

Rocks collected on Mars by NASA’s Perseverance rover could hold vital clues about the planet’s watery past and even the ...

The rock samples were collected from Mars' Jezero Crater in 2022, specifically in a "fan-like region" filled with sedimentary ...

Because vertebrate fossils only tend to survive if they are preserved in sedimentary rocks, ancient hominid remains are ...

Part memoir, part geology explainer, Marcia Bjornerud’s latest book explores the hidden wisdom of Earth’s rocks.

Scientists at MIT and NASA report that rock samples from Mars’ Jezero Crater contain minerals that are typically formed in ...

Relative dating to determine the age of rocks and fossils Geologists have established a set of principles that can be applied to sedimentary and volcanic rocks that are exposed at the Earth's ...

They look a bit like geodes, but they’re not exactly geodes. There are three types of rock: igneous, metamorphic, and ...

In a new study appearing today in the journal AGU Advances, scientists at MIT and NASA report that seven rock samples ...