earth from space
The Gulf of Mexico and US Gulf Coast at sunset is shown in this image taken by astronaut Terry Virts on the International Space StationTerry Virts/Nasa/Reuters
mars curiosity
A hole drilled into the surface of the Red Planet by Nasa's Mars rover Curiosity, which has found carbon-containing compounds, the first definitive detection of organics on the planetNasa
golden gate bridge
Waves crash against a sea wall in San Francisco Bay beneath the Golden Gate BridgeRobert Galbraith/Reuters
weather china
Soldiers shout as they train in temperatures of about minus 30 degrees Celsius in Heihe, Heilongjiang province, ChinaReuters
tigers snow
Two Siberian tigers play in the snow at Nanshan Zoo in Yantai, Shandong province, ChinaGetty Images
santa aquarium
A diver wearing a Santa Claus costume feeds a sunfish at the Hakkeijima Sea Paradise aquarium in Yokohama, JapanYoshikazu Tsuno/AFP
kate middleton
Kate Middleton, wearing a blindfold, is helped to ice a cake by Fynley Gooch, aged 7, as she promotes disability awareness at the newly established 23rd Poplar Beaver Scout Colony in east LondonBen Stansall/AFP
sydney siege
A makeshift memorial featuring Lindt chocolate bears, an apron and personal message from the staff of Sydney's Lindt cafe to former manager Tori Johnson, is seen on the pavement near the cafe in Martin PlaceJason Reed/Reuters
sydney siege flowers
Flowers are left at Martin Place in Sydney, site of the siege in which 33-year-old cafe manager Tori Johnson and 38-year-old Sydney barrister Katrina Dawson lost their livesJoosep Martinson/Getty Images
peshawar mourners
Women mourn their relative Mohammed Ali Khan, 15, a student who was killed during an attack by Taliban gunmen on the Army Public School in PeshawarZohra Bensemra/Reuters
Peshawar India
Indian schoolchildren light candles ahead of a vigil in the northern city of Jalandhar, as they pay tribute to Pakistani schoolchildren and staff killed in an attack on an army school in PeshawarShammi Mehra/AFP
buddhist monk lamps
A monk lights lamps in commemoration of Tsongkhapa, the founder of the Gelug sect of Tibetan Buddhism, in Lhasa, Tibet Autonomous RegionReuters
A large menorah is lit in front of the Brandenburg Gate in Berlin to celebrate HanukkahCarsten Koall/Getty Images
hannukah moscow
Jewish men gather in Moscow to mark the start of Judaism's festival of light, HanukkahDmitry Serebryakov/AFP
illegal mine
A miner pushes a bathtub loaded with coal out of an illegal coal mine near the Bosnian town of VitezDado Ruvic/Reuters
A burnt lamp is seen inside a damaged house in the Duma neighbourhood of Damascus, SyriaBassam Khabieh/Reuters