After landing on an asteroid nearly three years ago to scoop up a sample from its rocky surface, the OSIRIS-REx mission is finally in the homestretch. NASA is preparing for the special delivery of the rocky sample next month and the agency just pulled off the most realistic rehearsal for the big day.
Astronomers using the Hubble Space Telescope have detected nearly 40 boulders near Dimorphos—the target of NASA’s wildly successful DART experiment to deflect a non-threatening asteroid. This isn’t exactly positive news, since it suggests that hitting a bona fide hazardous asteroid might create a cluster of possibly…
Henry Nicholls/Reuters
