This computer-generated image shows the Hayabusa2 spacecraft above the asteroid Ryugu. This weekend, the sample collected by the spacecraft arrived on Earth after a six-year mission. ISAS/JAXA via AP hide caption
Ryugu
An artist's rendering shows NASA's OSIRIS-REx spacecraft descending toward the asteroid Bennu to collect a sample of the asteroid's surface. NASA/Goddard/University of Arizona hide caption
Japan's Hayabusa2, seen in this illustration, has been probing the asteroid Ryugu since 2018. The spacecraft is collecting samples that will be returned to Earth. JAXA/Akihiro Ikeshita hide caption
Roughly the size of a shoebox, the Mascot lander safely settled onto the surface of the Ryugu asteroid. It's seen here in an artist's rendering of the craft released by Germany's DLR aerospace agency. DLR hide caption