The first rock that scientists analyzed on Mars with a pair of chemical instruments aboard the Curiosity rover turned out to be a doozy -- a pyramid-shaped volcanic rock called a "mugearite" that is ...

These rocks really shouldn't be there. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest updates on rocket launches ...

Scientists on NASA's Perseverance mission made a surprising discovery about the composition of rock in Jezero Crater, one that will help them get a better idea of when water existed on Mars, and ...

Add Yahoo as a preferred source to see more of our stories on Google. Magma becomes lava when it rises up to the Earth’s surface, like when the Nyiragongo volcano erupted in the Democratic Republic ...

The rocks could provide vital information about the geological diversity of the moon's surface and the processes that create its dust and dirt. When you purchase through links on our site, we may earn ...

Volcanic rock is an igneous rock of volcanic origin. Volcanic rocks are usually fine-grained or aphanitic to glassy in texture. They often contain clasts of other rocks and phenocrysts. Phenocrysts ...

Thundereggs look like regular rocks from the outside, but contain intricate and colorful mineral patterns inside — often made of quartz, chalcedony, or agate. They are nodule-like rocks typically ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. Follow Jessica Orwig Every time Jessica publishes a story, you’ll get an alert straight to your inbox!

Sedimentary rock is the main classification of rocks that surround Devils Tower certainly normal for an area that once was covered by a shallow sea and that includes the red sandstone cliffs of the ...