The International Space Station (ISS ... junk. The maneuver was carried out at 6:10 p.m. ET by firing the thrusters on the docked Progress 91 spacecraft for 3 minutes and 33 seconds, NASA said ...

As for Skull Hill, researchers aren't exactly sure where it came from, with the NASA article stating it's reminiscent of meteorites found in the Gale crater by NASA's Curiosity rover. However ...