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

Space missions in the future could travel to Mars, asteroids and the outer solar system by riding on nuclear-powered rockets, thanks to a new design that utilizes energy from the nuclear fission of ...

This summer, scientists spotted an incredibly rare visitor to Earth’s solar system—a comet, now known as 3I/ATLAS, that entered our solar system from the galaxy beyond and is zipping past the sun at a ...

NASA's Mars Odyssey robotic spacecraft, which has been exploring Mars for over two decades, is set to complete an impressive milestone on June 30: 100,000 orbits around the Red Planet. Since its ...

Pioneer Astronautics has conducted a successful dynamic test of its Mars solar balloon inflation system. The experiment, performed at an altitude of 116,000 ft over Kuner Colorado on September 26, was ...

After just a year working on Mars, the NASA rover Curiosity is changing the way we look at our solar system. Scientists say it may change how we look at ourselves, too. “This work changes the picture ...

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 ...