This view combines information from two instruments on NASA’s Mars Reconnaissance Orbiter to map color-coded composition over the shape of the ground in a small portion of the Nili Fossae plains region of Mars’ northern hemisphere. via NASA http://ift.tt/1JyvxND

Earth’s thin atmosphere stands out against the blackness of space in this photo taken on Aug. 31, 2015 by astronaut Scott Kelly on board the International Space Station. via NASA http://ift.tt/1PJ9YxN

Smoke from the treacherous western wildfires has wafted across country and out to sea. via NASA http://ift.tt/1MXEkxm

Ten years after making landfall, scars from Hurricane Katrina still linger. via NASA http://ift.tt/1MSLi6M

NASA astronaut Kjell Lindgren corrals the supply of fresh fruit that arrived on the Kounotori 5 H-II Transfer Vehicle (HTV-5.) via NASA http://ift.tt/1hI2yjP

Updating a 150-year-old German photography technique, NASA and the U.S. Air Force released what’s called a “schlieren” image of the shock wave from a supersonic aircraft. via NASA http://ift.tt/1fFScyS

NASA’s Dawn spacecraft spotted this tall, conical mountain on Ceres from a distance of 915 miles (1,470 kilometers). via NASA http://ift.tt/1IcpgoZ

As the northern hemisphere experiences the heat of summer, ice moves and melts in the Arctic waters and the far northern lands surrounding it. The Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Aqua satellite captured this true-color image of sea ice off Greenland on July 16, 2015. via NASA http://ift.tt/1PuQrkn

Here we see the spectacular cosmic pairing of the star Hen 2-427 — more commonly known as WR 124 — and the nebula M1-67 which surrounds it. via NASA http://ift.tt/1U4ogtV

This low-angle self-portrait of NASA’s Curiosity Mars rover shows the vehicle above the “Buckskin” rock target, where the mission collected its seventh drilled sample. via NASA http://ift.tt/1NvoIS7