Two weeks after cracking open a capsule bearing a sample from a distant asteroid, scientists with NASA’s OSIRIS-REx mission are ready to reveal what they have learned. Among their initial ...

Initial diamond recovery data from approximately 46% of the sample have been compiled and include 5,366 diamonds greater than +1 DTC (~1 mm) weighing 189.97 carats from 609.0 dry tonnes of kimberlite.