Hurricanes Madeline and Lester

The island of Hawaii rarely takes a direct hit from a hurricane. This week, two Pacific storms are lining up to change that. This natural-color image of Hurricane Madeline and Hurricane Lester is a composite built from two overpasses by the Visible Infrared Imaging Radiometer Suite on the Suomi NPP satellite on August 29, 2016. via NASA http://ift.tt/2c0w2dn

Good Morning From the International Space Station

Expedition 48 Commander Jeff Williams of NASA shared this sunrise panorama taken from his vantage point aboard the International Space Station, writing, "Morning over the Atlantic…this one will hang on my wall." via NASA http://ift.tt/2c5sWSy

An Age-defying Star

An age-defying star designated as IRAS 19312+1950 (arrow) exhibits features characteristic of a very young star and a very old star. The object stands out as extremely bright inside a large, chemically rich cloud of material, as shown in this image from NASA’s Spitzer Space Telescope. via NASA http://ift.tt/2bMlE8G

Speeding Towards Jupiter's Pole

Jupiter's north polar region is coming into view as NASA's Juno spacecraft approaches the giant planet. This view of Jupiter was taken on August 27, when Juno was 437,000 miles (703,000 kilometers) away. The Juno mission successfully executed its first of 36 orbital flybys of Jupiter. via NASA http://ift.tt/2bIW01K

Katherine Johnson at NASA Langley Research Center

NASA research mathematician Katherine Johnson is photographed at her desk at Langley Research Center. Born on Aug. 26, 1918, in White Sulphur Springs, WV, Johnson worked at Langley from 1953 until her retirement in 1986, making critical technical contributions which included calculating the trajectory of Alan Shepard's historic 1961 flight. via NASA http://ift.tt/2bThBp5

Space Station View of Grand Canyon National Park

To celebrate the centennial of the U.S National Park Service, Expedition 48 Commander Jeff Williams of NASA has taken hundreds of images of national parks from his vantage point in low Earth orbit, aboard the International Space Station. Here, a series of Williams' photographs are assembled into this composite image of the Grand Canyon. via NASA http://ift.tt/2bA2l1U

New NASA Record Holder For Cumulative Days in Space

On Aug. 24, 2016, Station Commander Jeff Williams passed astronaut Scott Kelly, also a former station commander, for most cumulative days living and working in space by a NASA astronaut (520 days and counting). Williams is scheduled to land Sept. 6, 2016, for a record total of 534 days in space. via NASA http://ift.tt/2bnkEWE

Spacewalkers Successfully Install New Docking Adapter for Commercial Crew Flights

Expedition 48 Commander Jeff Williams (shown here) and Flight Engineer Kate Rubins of NASA successfully installed the first of two international docking adapters Friday Aug. 19, 2016, during a five hour and 58-minute spacewalk. On Sept. 1, the two astronauts will spacewalk outside the space station for the second time in less than two weeks. via NASA http://ift.tt/2bcild3

A Moon's Contrasts

Dione reveals its past via contrasts in this view from NASA's Cassini spacecraft. via NASA http://ift.tt/2bpUFzx

Fuselage of NASA's Future X-57 Maxwell All-Electric Aircraft

As NASA celebrates National Aviation Day, the agency's innovators are working to transform air transportation to meet the future needs of the global aviation community. The agency is embarking on a 10-year plan, New Aviation Horizons, that will see NASA field a number of experimental aircraft to demonstrate 21st century ideas for flight. via NASA http://ift.tt/2bjfrkf

Plugging Away Inside Massive SLS Fuel Tank: Welders Complete Final Plug Fusion Welds on SLS Liquid Hydrogen Tank

Welders inside a large liquid hydrogen tank for NASA's Space Launch System at the Michoud Assembly Facility in New Orleans are plugging holes left after the tank was assembled. via NASA http://ift.tt/2b3ycaU

Supernova Ejected from the Pages of History

A new look at the debris from an exploded star in our galaxy has astronomers re-examining when the supernova actually happened. via NASA http://ift.tt/2aZURrp

Lake Powell From the Space Station's EarthKAM

The remotely controlled Sally Ride EarthKAM aboard the International Space Station acquired this photograph on July 14, 2016, as the orbiting laboratory flew over Lake Powell and the border of Utah and Arizona. Located on the Colorado River, Lake Powell is the second largest artificial reservoir in the United States. via NASA http://ift.tt/2bfc1Mp

Astronauts Kate Rubins and Jeff Williams Prepare For a Spacewalk

Expedition 48 crew members Kate Rubins (left) and Jeff Williams (right) of NASA outfit spacesuits inside of the Quest airlock aboard the International Space Station. Rubins and Williams will conduct a spacewalk on Friday, Aug. 19, 2016, to install a new docking port that will enable the future arrival of U.S. commercial crew spacecraft. via NASA http://ift.tt/2bsR1DP

Perseid Meteor Shower 2016 from West Virginia

In this 30 second exposure, a meteor streaks across the sky during the annual Perseid meteor shower Friday, Aug. 12, 2016 in Spruce Knob, West Virginia. via NASA http://ift.tt/2aMxaNq

Site of 2016 Summer Olympic Games Viewed by NASA's MISR Instrument

The Multi-angle Imaging SpectroRadiometer (MISR) instrument aboard NASA's Terra satellite passed directly over Rio de Janeiro on Aug. 2, 2016, just prior to the opening of the Summer Olympic Games. On the left is an image from MISR's nadir camera; on the right, a map of aerosol optical depth. via NASA http://ift.tt/2b8hQMb

A Black Hole Story Told by a Cosmic Blob and Bubble

Two cosmic structures show evidence for a remarkable change in behavior of a supermassive black hole in a distant galaxy. via NASA http://ift.tt/2b8yFuc

Infrared Saturn Clouds

This false-color view from NASA's Cassini spacecraft shows clouds in Saturn's northern hemisphere. The view was made using images taken by Cassini's wide-angle camera on July 20, 2016, using a combination of spectral filters sensitive to infrared light at 750, 727 and 619 nanometers. via NASA http://ift.tt/2b5OdPE

Aurora and Manicouagan Crater

An astronaut aboard the International Space Station adjusted the camera for night imaging and captured the green veils and curtains of an aurora that spanned thousands of kilometers over Quebec, Canada. via NASA http://ift.tt/2aLT32y

Neil Armstrong in NASA Ames' Bell X-14 Aircraft

Neil A. Armstrong is photographed in the cockpit of the Ames Bell X-14 aircraft at NASA's Ames Research Center. Armstrong, the first man to walk on the moon, was born in Wapakoneta, Ohio, on August 5, 1930. via NASA http://ift.tt/2aAr5q7

Curiosity's Arm Over 'Marimba' Target on Mount Sharp

NASA's Curiosity Mars rover began close-up investigation of a target called "Marimba," on lower Mount Sharp, during the week preceding the fourth anniversary of the mission's dramatic sky-crane landing. via NASA http://ift.tt/2awWxlG

Astronauts Test Orion Docking Hatch For Future Missions

Engineers and astronauts conducted testing in a representative model of the Orion spacecraft at NASA’s Johnson Space Center in Houston to gather the crew's feedback on the design of the docking hatch and on post-landing equipment operations. via NASA http://ift.tt/2asGUOr

Field Testing NASA's New Carbon-Dioxide Measuring Instrument

A team of NASA scientists and engineers is poised to realize a lifetime goal: building an instrument powerful and accurate enough to gather around-the-clock global atmospheric carbon-dioxide (CO2) measurements from space. Developers of the CO2 Sounder Lidar instrument snapped this photo during a field campaign over California and Nevada. via NASA http://ift.tt/2ax2BeL

Acadia National Park

Acadia National Park is one of the most visited parks in America, drawing more than 2.5 million visitors per year to the craggy, jagged coast of Maine. The park is celebrating its 100th anniversary in 2016. On September 6, 2015, the Operational Land Imager (OLI) on the Landsat 8 satellite acquired these images of the park and its surroundings. via NASA http://ift.tt/2aJKh6Q