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NASA astronauts Scott Kelly and Tim Kopra ended their spacewalk at 11:01 a.m. EST with the repressurization of the U.S. Quest airlock after accomplishing all objectives. They released brake handles on crew equipment carts on either side of the space station’s mobile transporter rail car so it could be latched in place ahead of Wednesday’s …

NASA astronauts Scott Kelly and Tim Kopra switched their spacesuits to battery power at 7:45 a.m. EST, signifying the start of today’s spacewalk, planned for about three hours. Kelly is wearing a spacesuit with red stripes and is designated EV1. His helmet camera displays the number 18. Kopra is wearing a spacesuit with no stripes …

Carrying more than 2.8 tons of food, fuel, and supplies for the International Space Station crew, the unpiloted ISS Progress 62 cargo craft launched at 3:44 a.m. EST (2:44 p.m. local time in Baikonur) from the Baikonur Cosmodrome in Kazakhstan. Less than 10 minutes after launch, the resupply ship reached preliminary orbit and deployed its …

Beginning Monday, Dec. 21 at 3:30 a.m. EST, NASA Television will provide live coverage of the launch of a Russian Progress spacecraft carrying more than three tons of food, fuel, and supplies for the Expedition 46 crew aboard the International Space Station. Launch of ISS Progress 62 from the Baikonur Cosmodrome in Kazakhstan is planned …

The International Space Station Mission Management Team met Sunday and gave its approval to proceed with a spacewalk Monday out of the Quest airlock by Expedition 46 Commander Scott Kelly and Flight Engineer Tim Kopra of NASA to assist in moving the Mobile Transporter rail car a few inches to a worksite on the station’s …

A Russian resupply ship left the International Space Station today after 166 days attached to the Pirs docking compartment. The trash-filled Progress 60 (60P) undocked from Pirs at 2:35 a.m. EST/7:35 a.m. UTC and will re-enter Earth’s atmosphere a few hours later for a fiery destruction over the Pacific Ocean. Pirs will remain vacant until …

Mobile Servicing System (MSS) Status:  Overnight, Robotic Flight Controllers attempted different techniques to move the Mobile Transporter (MT) to Worksite 4, none of which accomplished the task.  During these attempts, the team observed the Port Crew Equipment Translation Aid (CETA) Cart move slightly with the MT, while the Starboard CETA cart did not.  Therefore, the …

We have received numerous reports concerning a bright fireball that occurred over Georgia at 5:33:55 PM CST (6:33:55 PM EST). All 6 NASA all sky meteor cameras in the Southeast picked up the meteor at an altitude of 50 miles above the town of Georgia (SE of Atlanta). From its brightness, it is estimated that …

The International Space Station’s mission managers are preparing for a likely unplanned spacewalk by Astronauts Scott Kelly and Tim Kopra no earlier than Monday, Dec. 21. Late Wednesday, the Mobile Transporter rail car on the station’s truss was being moved by robotic flight controllers at Mission Control, Houston, to a different worksite near the center of the …

Greetings and Salutations! I'm Dr. Orkan Umurhan, a scientist on New Horizons' Geology and Geophysics Investigation (GGI) Team. This is my first blog entry about my experiences on this most excellent mission. Over the upcoming months and years I intend to share the scientific questions I work on pertaining to New Horizons, and I hope …