Exploring Mars used to be a top priority for NASA and SpaceX. But a dramatic shift is underway as the administration tries to ...

Astronomers probed whether an asteroid’s path could be used to find hidden shortcuts in space. They particularly looked at ...

NASA’s Psyche spacecraft is about to pull off a dramatic close flyby of Mars, skimming just 2,800 miles above the planet to ...

NASA's Psyche spacecraft will get a boost from Mars on Friday, May 15, passing just 2,800 miles (4,500 kilometers) from the planet's surface at some 12,333 mph (19,848 kph). The spacecraft will ...

A researcher says he found a possible shortcut to Mars that would shorten a roundtrip to Earth's planetary neighbor to as ...

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.

A crewed expedition to Mars promises to push the absolute limits of human endurance. To grasp the sheer scale of the journey, ...

Sky This Week is brought to you in part by Celestron. Friday, May 8Pluto is stationary at 7 A.M. EDT in Capricornus, although ...

A new video released by NASA/JPL documents six years of Curiosity rover's wheels while driving on Mars.

According to a new study, there might be a way to cut the journey to Mars down significantly by considering the trajectories ...

The organic molecules discovered by NASA’s Curiosity rover could have been formed by life, but they could have also come from geologic processes or meteorites ...