Washington, DC - Secretary of State John Kerry will host the annual “Diplomacy at Home for the Holidays” reception at 4:15 p.m. on Wednesday, December 17, in the Diplomatic Reception Rooms at the Department of State.

Washington, DC - This Christmas give somebody the gift of mercy and forgiveness. Actually be broad with your giving and generous. We all need a lot of both. For such a joyful holiday of cheer, giving and yuletide merriment there are certainly a lot of stressed out sourpuss faces and agitated people. If you haven't seen any of these you probably haven't been to the mall or busy shopping districts.

Washington, DC - NASA researchers Friday began flight tests of computer software that shows promise in improving flight efficiency and reducing environmental impacts of aircraft, especially on communities around airports.

West Lafayette, Indiana - How low can they go? We're talking gas prices here.

New York, New York - At today’s Data2X event in New York City, Deputy Secretary of State for Management and Resources Heather Higginbottom along with former Secretary of State Hillary Rodham Clinton and former New York Mayor Michael Bloomberg, jointly committed to Data2X’s mission to promote gender-sensitive data.

Davis, California - As sand dunes march across the Sahara, vast dunes cross the surface of Saturn's largest moon, Titan. New research from a refurbished NASA wind tunnel reveals the physics of how particles move in Titan's methane-laden winds and could help to explain why Titan's dunes form in the way they do.