Last Test Article for NASA’s SLS Rocket Departs Michoud Assembly Facility

The last of four structural test articles for NASA’s Space Launch System (SLS) was loaded onto NASA’s barge Pegasus Wednesday, June 26, 2019, at NASA’s Michoud Assembly Facility in New Orleans. via NASA https://ift.tt/2X3viYk

Tumultuous Clouds of Jupiter

This stunning image of Jupiter's stormy northern hemisphere was captured by NASA's Juno spacecraft as it performed a close pass of the gas giant planet. via NASA https://ift.tt/2LlCUTT

Searching for Freshwater In Snowy Places

Snowflakes that cover mountains or linger under tree canopies are a vital freshwater resource for over a billion people around the world. via NASA https://ift.tt/2YaNZL0

Expedition 59 Space Station Crew Lands Safely in Kazakhstan

The Soyuz MS-11 spacecraft is seen as it lands in a remote area near the town of Zhezkazgan, Kazakhstan with Expedition 59 crew members. via NASA https://go.nasa.gov/2X2EITM

Preparing for the Expedition 59 Space Station Crew Landing

NASA astronaut and Astronaut Office Representative Joe Acaba is seen along with other NASA, Canadian Space Agency and Roscosmos teams as they deploy from Karaganda for the Expedition 59 landing. via NASA https://go.nasa.gov/2ZHnOMh

'Green' Alternative Fuel Set for First In-Space Test

Satellites love hydrazine – a type of space propellant – but it’s toxic to people and extremely difficult to handle. A non-toxic alternative will be put to the test with NASA’s Green Propellant Infusion Mission (GPIM), set to launch on a SpaceX Falcon Heavy rocket. via NASA https://go.nasa.gov/2N69GuQ

Milestone Achieved as X-57 Mod II Takes Shape

The electric motors for X-57’s Mod II vehicle and their propellers were powered up and spun together for the first time as part of an integrated spin test. via NASA https://go.nasa.gov/2Lcdesy

RockOn! and RockSat-C: Launching Student Experiments to Space

At 5:30 a.m. EDT Thursday, June 20, 2019, a 40-foot tall rocket carrying 28 student experiments (measuring acceleration, humidity, pressure, temperature and radiation counts) launched from Wallops Flight Facility in Virginia. via NASA https://go.nasa.gov/2x555ht

A Look Inside the X-59 QueSST Cockpit

The pilot of NASA’s X-59 Quiet SuperSonic Technology, or QueSST, aircraft will navigate the skies in a cockpit unlike any other. via NASA https://go.nasa.gov/2XpdOK8

Countdown to Apollo 11

Command Module pilot Michael Collins practices in the CM simulator on June 19, 1969, at Kennedy. via NASA https://go.nasa.gov/2MYdvlu

Storm Rages in Cosmic Teacup

Samples of spacesuit material will be flown on the Mars 2020 mission to study show they might degrade in the Martian environment. via NASA https://go.nasa.gov/2WMkd2s

The Stars and Stripes in Space

This flag accompanied NASA astronaut Alan B. Shepard on his 15-minute suborbital journey on May 5, 1961. via NASA https://go.nasa.gov/31ybpw0

Seeing an Aurora From the Space Station

"Years ago at the South Pole, I looked up to the aurora for inspiration through the 6-month winter night." Aboard the International Space Station, NASA astronaut Christina Koch snapped this image of an aurora. via NASA https://go.nasa.gov/2WA3nz7

Unveiling Hidden Figures Way

A D.C. Department of Transportation employee removes a paper cover from the "Hidden Figures Way" street sign in front of NASA Headquarters at the corner of 3rd and E Street SW. via NASA https://go.nasa.gov/2X4t27j

Astronaut Serena Auñón-Chancellor at Excel Academy In Washington, D.C.

NASA astronaut Serena Auñón-Chancellor is hugged by students after a presentation about her experience on Expeditions 56 and 57 onboard the International Space Station at Excel Academy Public Charter School in DC. via NASA https://go.nasa.gov/2IByIw2

Mature Galaxy Mesmerizes in New Hubble View

NGC 7773 is a beautiful example of a barred spiral galaxy. A luminous bar-shaped structure cuts prominently through the galaxy's bright core, extending to the inner boundary of NGC 7773's sweeping, pinwheel-like spiral arms. Astronomers think that these bar structures emerge later in the lifetime of a galaxy. via NASA https://go.nasa.gov/2Iynj07

Venus at Sunrise From the Space Station

From the International Space Station, NASA astronaut Christina Koch snapped and posted this image of the planet Venus at sunrise. via NASA https://go.nasa.gov/2MA8Mq1

Forecasting D-Day

Without the sound advice of meteorologists and geologists working behind the scenes, one of the most consequential battles in human history could have gone quite differently. via NASA https://go.nasa.gov/319WXKl

Chandra Detects a Coronal Mass Ejection From Another Star

The Chandra X-Ray Observatory detects a coronal mass ejection from a star other than the Sun for the first time. via NASA https://go.nasa.gov/2Kur614

Orion’s AA-2 Flight Test Article Stacks Up!

Orion’s Ascent Abort-2 flight test vehicle was rolled out from Kennedy Space Center’s Launch Abort System Facility to Space Launch Complex 46 at Cape Canaveral Air Force Station for its July 2 launch. via NASA https://go.nasa.gov/2Xs9czE

NASA Selects First Commercial Moon Landing Services for Artemis Program

NASA selected three commercial Moon landing service providers that will deliver science and technology payloads under Commercial Lunar Payload Services (CLPS) as part of the Artemis program. via NASA https://go.nasa.gov/2Xnvxyl

Hubble Sees a Galaxy Bucking the Trend

This luminous orb is the galaxy NGC 4621, better known as Messier 59. Located in the 2,000-strong Virgo cluster of galaxies within the constellation of Virgo (the Virgin), Messier 59 lies approximately 50 million light-years away from us. via NASA https://go.nasa.gov/2XhMyKr

Surround Sound - Orion Service Module for Artemis 1 Undergoes Acoustic Tests

Surround Sound - Orion service module for Artemis 1 undergoes acoustic tests via NASA https://go.nasa.gov/2HMS1Uh

How to Travel at (Nearly) the Speed of Light

Learn about the three ways to travel at (nearly) the speed of light. via NASA https://go.nasa.gov/2MdN6zT

Jezero Crater, Mars 2020's Landing Site

This false color image shows part of an unnamed crater in Mars' Arabia Terra. via NASA https://go.nasa.gov/2YVxxy3

John F. Kennedy and the Race to the Moon

On May 25, 1961, President John F. Kennedy addressed a joint session of Congress to announce his decision to go to the Moon. I via NASA https://go.nasa.gov/2QokoKX

SLS Begins Insulation Process for Booster Segments for Second Flight

NASA and Northrop Grumman technicians in Promontory, Utah, have applied insulation to the final booster motor segment for the second flight of NASA’s deep space rocket, the Space Launch System, and NASA’s Orion spacecraft. via NASA https://go.nasa.gov/2Vf5oA8

City Life Awaits Drones in Final Year of NASA Research

NASA is conducting field demonstrations of small drones navigating urban landscapes. via NASA https://go.nasa.gov/2VKAhg5

From Day Into Night on the International Space Station

A couple times a year, the International Space Station orbit happens to align over the day/night shadow line on Earth. via NASA https://go.nasa.gov/2QgyVbF

NASA is Going Green, in Space

NASA’s Green Propellant Infusion Mission, or GPIM, will prove a sustainable and efficient approach to spaceflight. via NASA https://go.nasa.gov/2Ejz6y2

Apollo 10 Launches Into History on May 18, 1969

When Apollo 10 launched on May 18, 1969, it was the fifth launch of the Saturn V. via NASA https://go.nasa.gov/2WO33xp

Galaxy Blazes With New Stars Born From Close Encounter

The irregular galaxy NGC 4485 shows all the signs of having been involved in a hit-and-run accident with a bypassing galaxy. Rather than destroying the galaxy, the chance encounter is spawning a new generation of stars, and presumably planets. via NASA https://go.nasa.gov/2JKUjES

Jonny Kim: NASA's 2017 Astronaut Class

Jonny Kim was selected as a member of NASA's 2017 astronaut class, nicknamed "the Turtles." via NASA https://go.nasa.gov/2LJ0742

Good Vibrations: Orion Crew Module Undergoes Testing

On April 29 at NASA’s Kennedy Space Center in Florida, Orion’s service module moved to the lift station inside the assembly bay. via NASA https://go.nasa.gov/2WFNs2N

Waxing Crescent Moon Above Earth's Limb

The waxing crescent moon is photographed just above Earth's limb. via NASA https://go.nasa.gov/2VzrTEB

Joe Acaba: Geologist and Teacher Turned Astronaut

Joe Acaba was selected as an astronaut in 2004 and has logged a total of 306 days in space on three flights. via NASA https://go.nasa.gov/2LCHrTE

Ellison Onizuka: First Asian American in Space

Ellison Onizuka was the first Asian American to fly in space. via NASA https://go.nasa.gov/2Ju6HbS

InSight Sees Drifting Clouds on Mars

NASA's InSight Mars Lander used its Instrument Context Camera beneath the lander's deck to image these drifting clouds at sunset on the Red Planet. via NASA https://go.nasa.gov/2VVWMm2

Astronaut Ricky Arnold Talks STEM Education

Today is National Teacher Day! NASA astronaut Ricky Arnold was a science teacher at John Hanson Middle School in Waldorf, Maryland. via NASA https://go.nasa.gov/2Jk0109

Liftoff of SpaceX's CRS-17 Dragon Cargo Craft

SpaceX's Dragon lifted off on a Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Air Force Station in Florida, Saturday, May 4. via NASA https://go.nasa.gov/2V6UPic

Hubble Spots Stunning Spiral Galaxy

NGC 2903 is located about 30 million light-years away in the constellation of Leo (the Lion), and was studied as part of a Hubble survey of the central regions of roughly 145 nearby disk galaxies. via NASA https://go.nasa.gov/2DJrswQ

How Atmospheric Sounding Transformed Weather Prediction

In the late 1950's, NASA scientist Lewis Kaplan developed a groundbreaking way to calculate temperature in the atmosphere for weather forecasting. via NASA https://go.nasa.gov/2DLB9uq

InSight Lander Captures a Sunset on Mars

NASA's InSight lander used the Instrument Deployment Camera (IDC) on the end of its robotic arm to image this sunset on Mars on April 25, 2019, the 145th Martian day, or sol, of the mission. This was taken around 6:30 p.m. Mars local time. via NASA https://go.nasa.gov/2GVyuQV

New Mission Ready to Extend NASA's Study of Carbon

The Orbiting Carbon Observatory 3, or OCO-3, sits on the large vibration table (known as the "shaker") in the Environmental Test Lab at the Jet Propulsion Laboratory. via NASA https://go.nasa.gov/2GTftOU

Opportunity's Final Traverse Map

This final traverse map for NASA's Opportunity rover shows where the rover was located within Perseverance Valley on June 10, 2018, the last date it made contact with its engineering team. via NASA https://go.nasa.gov/2DCtIpi

Hubble Snaps a Crowded Cluster

This sparkling burst of stars is Messier 75. It is a globular cluster: a spherical collection of stars bound together by gravity. Clusters like this orbit around galaxies and typically reside in their outer and less-crowded areas, gathering to form dense communities in the galactic suburbs. via NASA https://go.nasa.gov/2L68mag

Station Crew Views the Frozen Southern Tip of Hudson Bay

The International Space Station crew snapped this image of the Hudson Bay's frozen southern tip. via NASA https://go.nasa.gov/2UI1WNP

Landslides in Mars' Cerberus Fossae

Cerberus Fossae is a steep-sided set of troughs cutting volcanic plains to the east of Elysium Mons, Mars. This image was captured by the HiRISE camera on the Mars Reconnaissance Orbiter. via NASA https://go.nasa.gov/2VjCxP9

Formation of the Southern Crab Nebula

In celebration of the 29th anniversary of the launch of NASA's Hubble Space Telescope on April 24, 1990, astronomers captured an image of the tentacled Southern Crab Nebula. via NASA https://go.nasa.gov/2vfDh9e

Behold the Southern Lights!

As the International Space Station orbited 265 miles above the southern Indian Ocean about halfway between Madagascar and Antarctica, the crew snapped this image of the Aurora Australis. via NASA https://go.nasa.gov/2IsToZH