Puerto Rico From the Space Station

NASA astronaut Joe Acaba photographed Puerto Rico from the cupola of the International Space Station on Oct. 12, 2017. Sharing the image with his followers on social media, he wrote, "Finally a chance to see the beautiful island of Puerto Rico from @Space_Station. Continued thoughts throughout the recovery process." via NASA http://ift.tt/2gpX41X

When (Neutron) Stars Collide

This illustration shows the hot, dense, expanding cloud of debris stripped from neutron stars just before they collided. via NASA http://ift.tt/2hK4fP8

Glorious Sunrise at the Start of a Spacewalk

NASA astronaut Mark Vande Hei exits the International Space Station on Oct. 10, 2017, for a spacewalk in this photograph taken by fellow spacewalker Randy Bresnik. Bresnik wrote, "A glorious sunrise greeted @Astro_Sabot and I at the start of our 2nd #spacewalk. His visor reflection shows the airlock hatch we came out." via NASA http://ift.tt/2hExaE6

Dream Chaser at Dawn

Dawn bring the sight of Dream Chaser, Sierra Nevada's reusable spaceplane, as it sits on the runway at NASA's Armstrong Flight Research Center. via NASA http://ift.tt/2kJGA6h

Apollo 7 Launches on October 11, 1968

On October 11, 1968, Apollo 7 launched via NASA http://ift.tt/2gwjhbq

Where Does the Sand Come From?

This image from NASA's Mars Reconnaisance Orbiter (MRO) shows one possible place where sand grains are being produced on Mars today. via NASA http://ift.tt/2yUEv9G

Suited Up for a Day's Work

Astronaut Randy Bresnik conducts a spacewalk on October 5. via NASA http://ift.tt/2y0CIR2