The OSIRIS-REx mission, launched in 2016, has collected as much as several hundred grams of asteroid material, which could help scientists understand the earliest stages of the Solar System. The ...

NASA has unsealed one of its last untouched samples of Apollo moon rock to prepare for the return of new material by future lunar missions. Scientists at Johnson Space Center's Lunar Curation ...

A hole drilled in Martian rock by the Perseverance rover in its first attempt to collect a sample. Project scientists and engineers are trying to figure out why no material made it into the sample ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An asteroid sample collected by NASA has ...