The intriguing chemistry of a rock collected by the Perseverance rover could trace to microbial activity—or not ...

NASA’s Perseverance rover has uncovered high-purity quartz crystals on Mars, a discovery that could reshape the search for ...

NASA’s Perseverance rover found pale rocks containing kaolinite on Mars, a mineral that forms in warm, wet conditions.

Perseverance rover discovered a rare rock known as Silver Mountain from Mars and it is 4.1 billion years old.

NASA’s Perseverance rover found large crystals of quartz with a high purity on Mars, which probably had to have formed in the ...

Mars just dropped a surprise golden nugget —literally. Curiosity accidentally cracked open an ordinary-looking rock, only to ...

Mars expert Roger Wiens and his team, including the rover Perseverance, discovered fascinating rocks incorporating kaolinite ...

"These rocks are very different from anything we've seen on Mars before," coauthor Roger Wiens, professor of Earth, atmospheric, and planetary sciences at Purdue University, said in a statement.

Scientists have discovered kaolinite mineral on Mars, providing new evidence that the planet was once warm and wet.

Within the next decade, space agencies plan to bring samples of rock from Mars to Earth for study. Of concern is the possibility these samples contain life, which could have unforeseen consequences.

Scientists have a new theory on why Mars is red, and it may mean that water was more widespread on the planet than previously ...