Add Yahoo as a preferred source to see more of our stories on Google. A man bundles up while strolling around Lake Merritt in Oakland on Jan. 9. Oakland could see its coldest night Thursday in four ...

Every night, the sky does something invisible and enormous. Heat escapes from Earth’s surface upward through the atmosphere and out into the cold of space. This is a process as old as the planet ...

A comprehensive new study extending the U.S. Historical Climatology Network (USHCN) record back to 1899 finds that both hot ...