Water found on asteroid by OSIRIS-REx explorer
NASA's first asteroid sample return mission, OSIRIS-REx, reached the asteroid Bennu only a week ago, but it's already learning more about this time capsule from the early solar system.
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International Asteroid Day: Are we ready?
Saturday is International Asteroid Day, commemorating the Earth's largest recorded asteroid impact while focusing on the real danger of asteroids that could collide with Earth.
First Warn Forecast
