Mars Express has revealed the dynamic landscape of Mars, showcasing both rugged terrain and smoother, younger plains on the ...

Take a tour of the space volcanoes on other planets and moons across the Solar System, and find out how they differ from ...

Nearly half of Mars dust consists of silica, which on Earth is known to cause silicosis, an incurable lung disease that ...

The Perseverance rover has found some intriguing samples on the red planet. Here's what they might reveal about the origins ...

NASA's Perseverance Mars rover spotted a mysterious rock made of hundreds of tiny spheres that resemble spider eggs. Studying ...

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.

Nearly 25 years after its launch, NASA's Mars Odyssey Orbiter is still going strong. In a post on Monday, the agency ...

The Medusae Fossae Formation of Mars has ice deposits over 2 miles deep, potentially providing vital water resources for ...

A proposed Mars helicopter mission would search for signs of life, water and future human footholds in a vast volcanic canyon ...

NASA's Perseverance rover has discovered a bizarrely textured rock covered in hundreds of egg-like spheres on Mars, ...

But Curiosity wasn't the only one with a geological mystery. At the same time, roughly 2,300 miles away on the other side of ...