Douglas Jerolmack

While the world celebrates the signs of flowing water on Mars, researchers estimate that the Martian pebbles travelled roughly 50 km from their source, supporting the idea that Mars once had an extensive river system and conditions that could harbour life.

While the world celebrates the signs of flowing water on Mars, researchers estimate that the Martian pebbles travelled roughly 50 km from their source, supporting the idea that Mars once had an extensive river system and conditions that could harbour life.