The images and data being collected are already raising new questions about how the Martian surface was changing billions of ...

Thick clay deposits on Mars hint at long-lived lakes that may have sheltered early life - and preserved clues beneath layers ...

New images from NASA's Curiosity Mars rover show the first close-up views of a region scientists had previously observed only ...

Colonel Alvin Gonzalez is surprised by his Air Force airmen daughter, Ariana, at his retirement from the U.S. Army National Guard in Puerto Rico. Casey Harrell, who lost his voice to ALS 5 years ago, ...

Universe's 'missing' matter found! On Episode 166 of This Week In Space, Rod Pyle and Tariq Malik broadcast live from the National Space Society's International Space Development Conference in Orlando ...

Why we explore Mars—and what decades of missions have revealed. In the 1960s, humans set out to discover what the red planet has to teach us. Now, NASA is hoping to land the first humans on Mars ...

What’s hidden in Mars’ greatest canyon, Valles Marineris? NASA’s HiRise camera brings us closer than ever with incredible 4K ...