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 group of planetary scientists and geologists has discovered a new type of rock containing the mineral garnet inside a ...

Researchers have discovered a new type of rock and the first-ever garnet in a Martian meteorite, offering fresh clues about ...

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 ...

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 ...