NASA astronaut Karen Nyberg took in the sights this week from the International Space Station, capturing this magical view of storms over Ghana.
City lights shine in Cairo and the River Nile delta as seen by NASA astronaut Karen Nyberg from the space station.
On Oct. 10, Italian astronaut Luca Parmitano posted some bizarre photos via his Twitter account from the International Space Station. A mystery rocket contrail could be seen rising above the Earth’s twilight horizon, which was later determined to be a Russian ICBM test.
A Kreutz sungrazer comet was spied by the NASA/ESA Solar and Heliospheric Observatory (SOHO) this week falling toward the sun. The small icy body was hours away from being vaporized.
On Oct. 9, NASA's Jupiter-bound Juno spacecraft carried out a valuable speed-boosting Earth flyby. Shortly before close approach, Juno snapped this photo of the moon.
At close approach during Earth flyby, Juno also snapped a series of photos of our planet. Shown here is a rough mosaic of the raw images that were beamed back.
Three 'cavenauts' during ESA's 2013 underground astronaut training course CAVES.
This week was an exciting time for astronomers studying Neptune. The tiny moon Naiad was re-discovered in Hubble archival data after disappearing since Voyager 2 discovered it in 1989.
The European Mars Express orbiter got up close and personal with a strange looking canyon on Mars called Hebes Chasma. The scar in Mars' landscape is up to 8 kilometers deep and has a unique mesa in the center.
This week we lost a NASA astronaut legend, Scott Carpenter. Carpenter, a member of the original Mercury Project, became the second US astronaut to orbit the Earth in 1962. He died after a stroke, aged 88.