NASA's Curiosity rover has found iron-rich carbonates on Mars, offering new clues about the planet's ancient climate and ...

As President Donald Trump’s pick to be NASA administrator, Jared Isaacman is going to have to navigate Washington politics, ...

Mars is about 140 million miles from our cozy planet. A human mission to that cold, rocky neighbor would mean being away from Earth for about 3 years. But the things those explorers would see and ...