I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

The near-Earth asteroid Bennu contains stardust that is older than the solar system and clues about its violent history, three new studies of the asteroid's sample materials show. When you purchase ...

A Chinese spacecraft built to collect specimens from an unexplored asteroid and return them to Earth successfully launched Wednesday from a military-run spaceport in the country’s mountainous interior ...

There is a fully tenured NASA spacecraft named Mars Odyssey that has been faithfully orbiting the Red Planet since October 2001. It has made more than 100,000 spins around Mars. No spacecraft has ...

A crescent of the northern hemisphere of Mars taken by Tianwen-1's medium-resolution camera in March 2021. Credit: CNSA/PEC China has unveiled a long-term planetary exploration roadmap for planetary ...

The U.S. planetary science community is sounding the alarm about plans to discard a nuclear technology that has powered dozens of NASA missions over the past 50 years But RPS is expensive, costing ...