NASA's Hubble Space Telescope has picked up the faint, ghostly glow of stars ejected from ancient galaxies that were gravitationally ripped apart several billion years ago.
NASA astronaut Reid Wiseman posted this image of a sunrise, captured from the International Space Station, to social media on Oct. 29, 2014.
In May 2014, two new studies concluded that a section of the land-based West Antarctic ice sheet had reached a point of inevitable collapse.
This panorama view, photographed by an Expedition 40 crew member on the International Space Station, shows the tropical blue waters of the Persian Gulf.
A four-image NAVCAM montage comprises images taken on 18 October from a distance of 9.8 km from the centre of comet 67P/C-G - about 7.8 km from the surface.
Large blooms of phytoplankton (likely coccolithophores) surrounded the 51-kilometer-long St. Matthew Island in the Bering Sea on October 8, 2014 when the above Aqua-MODIS image was collected.
ESA astronaut, Andre Kuipers took some stunning views of Earth during his mission, PromISSe.
What makes one rose bush blossom with flowers, while another remains barren? Astronomers ask a similar question of galaxies, wondering how some flourish with star formation and others barely bloom.
Many celestial objects are beautiful - swirling spiral galaxies or glittering clusters of stars are notable examples.