Asteroid Bennu — a target of NASA’s sample return mission — is spinning faster over time, an observation that may help understand the evolution of asteroids and their potential threat to Earth, scientist say. Advertising Bennu is located 110 million kilometres away from Earth. As it moves through space at about 101,000 kilometres per hour, it also spins, completing a full rotation every 4.3 hours. Last year, the Origins, Spectral Interpretation, Resource Identification, Security-Regolith