A team of scientists chemically analyzed chassignites and nakhlites, such as the one pictured, two kinds of Martian meteorites found on Earth, of which there are only 35 specimens. Credit: Scripps ...

A remote outcrop in Canada harbors rocks that are at least 4.16 billion years old, researchers report June 26 in Science. If true, these rocks would be the oldest known on Earth and the first to date ...

MACK SLACK: Look at all you little rocks. Sitting there looking up at me, not knowing where you came from or what you're gonna be. Well, let me teach you the oldest story on the planet. The rock cycle ...

Discover how rocks, minerals & the rock cycle change your world. Join the Science Trek team to explore rocks and minerals! Discover how the Earth formed, the three types of rocks, the rock cycle, and ...

New method also detects molecular signs of photosynthesis almost 1 billion years earlier than previously documented; Combining chemistry and AI, pioneering method could revolutionize search for ...