The cloud cover over the Southern Ocean occasionally parts as it did on January 1, 2015 just west of the Drake Passage.
The Earth view from the cupola onboard the International Space Station.
The dark squares that make up the checkerboard pattern in this image are fields of a sortfields of seaweed.
This image of the American upper Midwest and parts of Canada was captured by NASA astronaut Terry Virts on the International Space Station on May 2, 2015.
Oleg Artemyev @OlegMKS #Эверест #МКС (#Everest #ISS) #BlueDot Larger image
Since measurements began in 1895, Alaska's Hubbard Glacier has been thickening and steadily advancing into Disenchantment Bay. The advance runs counter to so many thinning and retreating glaciers nearby in Alaska and around the world.
This abstract picture taken from the International Space Station shows fishing boats illuminating the sea to attract fish into their nets.
SERVIR, a joint development initiative of NASA and USAID, is working to help Nepal recover from the earthquake that struck on April 25, 2015.
This composite image of southern Africa and the surrounding oceans was captured by six orbits of the Suomi National Polar-orbiting Partnership spacecraft on April 9, 2015
On the occasion of the 25th anniversary take a stroll down memory lane and learn how the Hubble Space Telescope became so instrumental to our knowledge of the universe.