Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s but it was stopped because of the nuclear test ban treaty and concerns over fallout inside the ...

For the first time in the history of space exploration, a robot on the surface of another planet looked up and photographed a ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, colder neighbor.

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 ...

What happens when a solar superstorm hits Mars? Thanks to the European Space Agency’s Mars orbiters, we now know: glitching spacecraft and a supercharged upper atmosphere. In May 2024, Earth was hit ...