SpaceSolar system caught in an interstellar tempest The gas cloud we've been zipping through on the edge of the Milky Way is either more turbulent than imagined or we're poised to pop right out of it News
EarthAsteroid pinpointed as likely source of Russian meteor The parent of the Chelyabinsk meteor, which exploded over Russia earlier this year, may have been a known rock cluster that could pose a future threat News