There are a couple potential explanations for distinctive markings found on a Martian rock, but new evidence suggests they ...

It's well established that Mars used to be a wet world covered in oceans, and in recent years, astronomers have uncovered not just icy remnants of this period, but entire reservoirs of liquid water ...

Curiosity rover cracked open a Martian rock, revealing a sight never before seen on Mars - a dazzling display of yellow ...

In the next decade, space agencies plan to bring rock samples from Mars to Earth. But what if these rocks contain alien ...

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

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

An arrowhead-shaped rock on Mars sporting features that may hint at ancient microbial activity on the Red Planet has left ...

Once Mars dried out, this rusty rock was broken down into dust over billions ... by NASA’s Perseverance rover and awaiting return to Earth include dust; once we get these precious samples ...

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.

Mars has fascinated people for centuries, not only because it is our closest neighbor in space but also because of its ...

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.

"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.