The Philae lander beamed back images showing one of its three feet on the surface of Comet 67P/Churyumov-Gerasimenko . This photo is compiled from two images; a wider version will be released later Thursday. ESA/Rosetta/Philae/CIVA hide caption
NATO has reported a spike in Russian military activity at sea and in NATO and other western European countries' airspace as tensions have mounted over Ukraine. Here, a Russian military long-range bomber aircraft flies in international airspace on Oct. 29. Royal Air Force/AP hide caption
Visitors walk through the Hachette Book Group's exhibition in May at BookExpo America, the annual industry convention in New York. Mark Lennihan/AP hide caption
Sen. Mary Landrieu, D-La., chair of the Senate energy committee, spoke Wednesday about getting congressional approval for the Canada-to-Texas Keystone XL pipeline. With her is Sen. Joe Manchin, D-W.Va., a member of the committee. J. Scott Applewhite/AP hide caption
For decades, Kodak's Shirley cards, like this one, featured only white models. Kodak hide caption
Medical workers will test the effectiveness of three new potential Ebola therapies at clinics run by the nongovernmental organization Medecins Sans Frontieres (Doctors Without Borders). Zoom Dosso/AFP/Getty Images hide caption
Randy Jackson, Paula Abdul and Simon Cowell, the original judges on Fox's American Idol. Michael Becker/AP hide caption
Beacon Power President and CEO Barry Brits, at the company's plant in Hazle Township, Pa. He says a loan from the Department of Energy made it possible for his company to develop its flywheel energy storage technology. Jeff Brady/NPR hide caption
Fort Logan National Cemetery in Sheridan, Colo., gets a fresh dusting of snow on Veterans Day. David Zalubowski/AP hide caption
These farmers grow maize, onions and other vegetables in a city in Ghana. They use groundwater to irrigate their crops. Nana Kofi Acquah/IWMI hide caption
Few police departments have required officers to wear body cameras, but that's changing after the events in Ferguson, Mo., this summer. Jim Mone/AP hide caption
U.S. Treasury Secretary Jack Lew says the global economy is relying too heavily on just the United States for growth. Chip Somodevilla/Getty Images hide caption
Pedestrians pass the display windows at Bonhams New York auction house. The Mexican government accuses Bonhams of auctioning off artifacts that were stolen from Mexico, and says others that were offered as ancient were modern fakes. Bebeto Matthews/AP hide caption
Corey Kluber of the Cleveland Indians narrowly won his first Cy Young Award after a stellar second half of the season. Ross D. Franklin/AP hide caption
A screenshot from a demo of the Ebola-training video game. Courtesy of Shift Labs hide caption
This photo of Roy Middleton working underground at the Kentucky Darby mine now sits on the mantel in the Middleton home in Harlan County, Ky. He was killed after an explosion in 2006. Anna Boiko-Weyrauch/NPR/Original photo courtesy of the Middleton family hide caption
Workers assemble Volkswagen Passat sedans at the German automaker's plant in Chattanooga, Tenn., on June 12, 2013. The automaker announced a new policy Wednesday that would allow interaction with labor unions at the plant. Erik Schelzig/AP hide caption
State Reps. Barry Moore, Joe Hubbard, Rod Scott and Merika Coleman study a map of the proposed redistricting plan in May 2012 following a meeting of the Legislative Committee on Reapportionment at the Alabama Statehouse in Montgomery, Ala. Dave Martin/AP hide caption
Helmets? Way to avoid traumatic brain injury, guys. Kevin Dodge/Corbis hide caption
Senate Republican leader Mitch McConnell of Kentucky walks to his office to meet with new GOP senators-elect at the Capitol on Wednesday. J. Scott Applewhite/AP hide caption
First responders saved workers whose scaffolding malfunctioned at the World Trade Center in New York today. Kathy Willens/AP hide caption