OSIRIS-REx Stands Ready for Date With Asteroid Bennu (Part 1)

OSIRIS-Rex in the vicinity of the asteroid Bennu. Image Credit: NASA

NASA’s OSIRIS-REx spacecraft has completed assembly at Lockheed Martin Space Systems near Denver, Colo. Over the next several months engineers will put the spacecraft through a series of intense tests. The $800 million mission to retrieve samples from Astroid Bennu is scheduled to launch in September 2016. Photo Credit: Lockheed Martin

Just two days […]

Camping Without Marshmallows: 10 Years Since STS-115 (Part 2)

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Dan Burbank and Steve MacLean are barely visible, slightly right-of-center, working on the P-3/P-4 truss during EVA-2. Photo Credit: NASA

Ten years ago, this month, the crew of Shuttle Atlantis—Commander Brent Jett, Pilot Chris Ferguson, and Mission Specialists Joe Tanner, Dan Burbank, Heidemarie Stefanyshyn-Piper, and Canada’s Steve MacLean—roared into orbit to restart the construction […]

In For the Long Haul: 10 Years Since STS-115 (Part 1)

Joe Tanner had already performed five EVAs before STS-115 left Earth. By the time he returned from the mission, he had completed seven EVAs and spent 46.5 hours outside a spacecraft. Even today, he stands as the 13th most seasoned spacewalker of all time. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

Joe Tanner had already performed five EVAs before STS-115 left Earth. By the time he returned from the mission, he had completed seven EVAs and spent 46.5 hours outside a spacecraft. Even today, he stands as the 13th most seasoned spacewalker of all time. Photo Credit: NASA, via Joachim Becker/SpaceFacts.de

At first glance, shuttle […]

Expedition 48 Spacewalkers Restore Space Station Power Channel to Pre-2012 Configuration

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The location of the Trailing Thermal Control Radiator (TTCR) on the outboard truss on the port-side of the space station. After its retraction, both of P-6’s 2B and 4B power channels will be routed through the main Photovoltaic Radiator (PVR). Image Credit: NASA

On a day which spelled calamity for SpaceX—as its Upgraded Falcon […]

World's Most Experienced Female Astronaut Discusses Upcoming ISS Expedition

The Soyuz MS-03 crew of (from left) Oleg Novitsky, Peggy Whitson and Thomas Pesquet will form the second half of Expedition 50, before rotating into the core of Expedition 51. Their 180-day increment is expected to run from 16 November 2016 through 15 May 2017. Photo Credit: Michael Galindo/AmericaSpace

The Soyuz MS-03 crew of (from left) Oleg Novitsky, Peggy Whitson, and Thomas Pesquet will form the second half of Expedition 50, before rotating into the core of Expedition 51. Their 180-day increment is expected to run from 16 November 2016 through 15 May 2017. Photo Credit: Michael Galindo/AmericaSpace

The world’s most experienced female […]

Spacewalkers Ready for US EVA-37, Days Ahead of Expedition 48 Crew Return

Jeff Williams led today's U.S. EVA-37, wrapping up his fifth career spacewalk and accruing a total of almost 32 hours in vacuum. Photo Credit: NASA

Expedition 45 spacewalker Kjell Lindgren works to restore the P-6 cooling system to its pre-2012 configuration during U.S. EVA-33 in November 2015. He and Scott Kelly ultimately left the Trailing Thermal Control Radiator (TTCR) fully deployed when the crew ran out of time and encountered other difficulties. Photo Credit: NASA

Less than a week […]

'Easier to Destroy Than Create': 15 Years Since STS-105 (Part 2)

Newly stocked and newly staffed, the International Space Station (ISS) disappears into the blackness as Discovery departs. Photo Credit: NASA

STS-105 Mission Specialist Dan Barry translates along the U.S. Destiny lab during one of the flight’s two EVAs. Photo Credit: NASA

Fifteen years have now passed since Shuttle Discovery dropped off and picked up crew members at the International Space Station (ISS) and supported a pair of Extravehicular Activities (EVAs) to transition the multi-national […]

'To Train a Mission': 15 Years Since STS-105 (Part 1)

Fifteen years have now passed since STS-105 exchanged crews and supplies at the International Space Station (ISS). Photo Credit: NASA

Fifteen years have now passed since STS-105 exchanged crews and supplies at the International Space Station (ISS). Photo Credit: NASA

Fifteen years ago, this month, 10 astronauts and cosmonauts from the United States and Russia celebrated 1,000 days of orbital operations for the International Space Station (ISS). In August 2001, Shuttle Discovery’s STS-105 astronauts—Commander Scott […]

Record-Breaker Jeff Williams to Become America's Most Experienced Astronaut Tomorrow

Jeff Williams became the first American to record as many as three long-duration space station increments. Photo Credit: NASA

In the wee hours of tomorrow morning (Wednesday), Jeff Williams will become the United States’ most flight-experienced astronaut. Photo Credit: NASA

At 4:56 a.m. EDT tomorrow (Wednesday, 24 August), NASA astronaut Jeff Williams—the incumbent skipper of Expedition 48, aboard the International Space Station (ISS)—will officially become the United States’ most seasoned spacefarer. He will […]

'An Even Better Friend': 45 Years Since the Apollo 17 Decision (Part 2)

Standing near a huge boulder, overlooking the scenic grandeur of the Taurus-Littrow valley, Jack Schmitt became the first - and so far only - professional geologist to visit another world. His selection as a member of the Apollo 17 crew came at the end of a long and difficult process, which saw him overlooked for an assignment time and time again...and eventually resulted in Joe Engle losing his own seat on a lunar voyage. Photo Credit: NASA

Forty-five years ago, this month, the names of the final crew of lunar explorers of the 20th century were announced. Photo Credit: NASA

Forty-five years ago, this month, NASA made the decision which would close out human exploration of the lunar surface for more than two generations: the selection of the final crew to […]