Blogs

Check out the first entry in the visual glossary of earth science that we're building and see several types of aerosols from space.

The Delta IV Heavy will launch NASA's upcoming Parker Solar Probe mission in July 2018. The mission will perform the closest-ever observations of a star when it travels through the Sun's atmosphere, called the corona. The probe will rely on measurements and imaging to revolutionize our understanding of the corona and the Sun-Earth connection.

USOS Extravehicular Activity (EVA) #49: Today Drew Feustel (as EV-1) and Ricky Arnold (as EV-2) exited the Joint Airlock at 8:30am CDT to perform US EVA #49.  Egress was delayed for about 1.5 hours due to issues with suit leak checks that were ultimately cleared.  The primary goal of today’s EVA was to install the …

Expedition 55 Flight Engineers Drew Feustel and Ricky Arnold of NASA completed the fourth spacewalk this year at 3:43 p.m. EDT, lasting 6 hours, 10 minutes. The two astronauts installed wireless communications antennas on the Tranquility module, replaced a camera system on the port truss and removed suspect hoses from a cooling system. Spacewalkers have now …

Expedition 55 Flight Engineers Drew Feustel and Ricky Arnold of NASA switched their spacesuits to battery power at 9:33 a.m. EDT, signifying the official start of today’s planned six-and-a-half-hour spacewalk outside the International Space Station. Watch the spacewalk live on NASA Television and the agency’s website. Feustel is wearing the suit bearing the red stripes, and …

NASA Television has begun coverage of today’s spacewalk, as Expedition 55 Flight Engineers Drew Feustel and Ricky Arnold of NASA prepare to work outside the International Space Station for approximately 6.5 hours. Today’s spacewalk was originally scheduled to begin at 8:10 a.m. However, suit leak checks took longer than anticipated and has put them approximately 60-90 …

Veteran NASA astronauts Drew Feustel and Ricky Arnold will head outside the International Space Station at approximately 8 a.m. EDT Thursday to begin a 6.5-hour spacewalk. Live coverage will be available on NASA Television and the agency’s website beginning at 6:30 a.m. During Thursday’s spacewalk, Feustel and Arnold will install wireless communications antennas on the …

Marker Mark and Recapture Transit was long. I used it to design a deeply elegant experiment — elegance is the true mark of a good experiment, where a complex problem is broken down into a simply testable idea or procedure — to address one of the most profound questions in science: Where do all of […]

68 Progress (68P) Undock: 68P successfully undocked from the Docking Compartment 1 (DC-1) port this morning at 8:50 AM CDT. This Progress vehicle will conduct Non-ISS free-flight experiments from April 3 to April 24. A series of burns scheduled for Thursday March 29 and April 2 will place the vehicle into the required orbit. The …