On the surface of Mars, a rover has filled over two dozen airtight titanium tubes with pristine rock samples, each a little thicker than a pencil. Some tubes have been stashed on the Red Planet's ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins of life in our universe—if we can get them back to Earth. Clouds of water ...

With more rocks in its pack, Perseverance is moving on to an old river delta in pursuit of ancient running water. When you purchase through links on our site, we may earn an affiliate commission. Here ...