As Alaska Warms, Fires Burn Over (and Under) More Wild Land Lightning storms, drought and thawing tundra are making fires more destructive. In the vast wilderness, firefighting is a major challenge.
Military Memo Adds to Possible Interstellar Meteor Mystery The U.S. Space Command seemed to confirm a claim that a meteor from outside the solar system had entered Earth’s atmosphere, but other scientists and NASA are still not convinced.