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Stay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.

2026 AAS Town Hall Schedule
2 min read

247th American Astronomical Society (AAS) Meeting SATURDAY, JANUARY 3 8:30AM – 6:0PM  NASA’s Exoplanet Exploration Program Analysis Group (ExoPAG) 301DJosh Pepper, Dawn Gelino, Karl Stapelfeldt, Nick Siegler, Jessie Christiansen SUNDAY, JANUARY 4 8:30AM – 12:15PM  NASA’s Exoplanet Exploration Program Analysis…

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2026 AAS Hyperwall Schedule
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247th American Astronomical Society (AAS) Meeting Join NASA in the Exhibit Hall (Booth #401 for Hyperwall Storytelling by NASA experts. Full Hyperwall Agenda below. SUNDAY, JANUARY 4 6:45 – 7:00 PMNancy Grace Roman Space TelescopeDominic Benford7:00 – 7:15 PMStorytelling with…

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Curiosity Sends Holiday Postcard from Mars
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Team members working with NASA’s Curiosity Mars rover created this “postcard” by commanding the rover to take images at two times of day on Nov. 18, 2025, spanning periods that occurred on both the 4,722nd and 4,723rd Martian days, or…

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Microbiology
2 min read

Microorganisms and Spaceflight Spaceflight poses a risk of adverse health effects due to the interactions between microorganisms, their hosts, and their environment. The JSC Microbiology team addresses the benefits and risks related to microorganisms, including infectious disease, allergens, environmental and…

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NASA’s Chandra Rings in New Year With Champagne Cluster
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Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s Chandra X-ray Observatory and optical telescopes. Astronomers discovered this galaxy cluster Dec. 31, 2020. The date, combined with the bubble-like appearance of…

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The Earth Observer: Offering Perspectives from Space through Time
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An Intertwined History: The Earth Observer and EOS The Earth Observer, a newsletter issued for nearly 37 years, will release its last online content at the close of 2025. This newsletter evolved in parallel with NASA’s Earth Observing System (EOS).…

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Terra: The End of An Era
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Introduction Launched into the night sky more than 26 years ago, on Dec. 19, 1999, from Vandenberg Air Force Base (now Space Force Base), Terra was NASA’s first Earth Observing System (EOS) flagship mission to study Earth’s land surface from…

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The Final Earth Observer Editor’s Corner: October–December 2025
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It is with a heavy heart that I announce that NASA Earth Science Communications has directed The Earth Observer to conduct an orderly shutdown of the publication. No new content will be published after Dec. 31, 2025. While the sunset…

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The State of CERES: Updates and Highlights
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Introduction The Clouds and the Earth’s Radiant Energy System (CERES) was initially designed in the late-1980s and early-1990s as a facility instrument for NASA’s Earth Observing System (EOS). Since its inception, NASA’s Langley Research Center (LaRC) has led this effort.…

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2025 Space Station Science Snapshots
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2025 marks another year pushing the boundaries of scientific research aboard the International Space Station. This past year, over 750 investigations were conducted aboard the space station, supported by crewed missions and resupply vehicles delivering essential cargo and experiments to…

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NASA, SpaceX CRS-33 Dragon Boost Space Station
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On Monday, SpaceX’s Dragon fired its thrusters, located in the spacecraft’s trunk, for just over 19 minutes, boosting the International Space Station’s orbit.  

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NASA to Preview US Spacewalks at Space Station in January
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NASA astronauts will conduct a pair of spacewalks in January outside of the International Space Station to prepare for the installation of a roll-out solar array and complete other tasks. Experts from NASA will preview the spacewalks in a briefing…

News Release
A Galactic Embrace
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Mid-infrared data from NASA’s James Webb Space Telescope (in white, gray, and red) and X-ray data from NASA’s Chandra X-ray Observatory (in blue) come together in this photo of colliding spiral galaxies released on Dec. 1, 2025. The pair grazed…

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I Am Artemis: Jen Madsen and Trey Perryman
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Listen to this audio excerpt from Jen Madsen and Trey Perryman, leads of the Orion Mission Evaluation Room for the Artemis II mission: During NASA’s Artemis II mission, Jen Madsen and Trey Perryman will be leading a team monitoring the…

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Studying Physics in Microgravity
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In this Oct. 20, 2025, photo, tiny ball bearings surround a larger central bearing during the Fluid Particles experiment, conducted inside the Microgravity Science Glovebox (MSG) aboard the International Space Station’s Destiny laboratory module. A bulk container installed in the…

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Santa Visits Artemis II Rocket
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Santa Claus (NASA engineer Guy Naylor) poses with NASA’s Artemis II Orion spacecraft and SLS (Space Launch System) rocket in the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Dec. 11, 2025. The Orion spacecraft was stacked…

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OPERA: Addressing Societal Needs with Satellite Data
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Introduction The Observational Products for End-Users from Remote Sensing Analysis (OPERA) project represents a strategic initiative designed to address critical satellite data needs identified by federal agencies. Established in 2021 by the NASA/Jet Propulsion Laboratory (JPL), OPERA responds to priorities…

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Get In, We’re Going Moonbound: Meet NASA’s Artemis Closeout Crew
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For most, getting into a car is a task that can be done without assistance. Yet for those whose destination is the Moon, the process of getting inside and secured – in this case, in NASA’s Orion spacecraft – requires…

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Artemis II Crew Launch Day Rehearsal
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From left to right, CSA (Canadian Space Agency) astronaut Jeremy Hansen and NASA astronauts Christina Koch, Victor Glover, and Reid Wiseman stand outside before boarding their Orion spacecraft inside the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida…

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Artemis II Flight Crew, Teams Conduct Demonstration Ahead of Launch
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NASA’s launch and mission teams, along with the Artemis II crew, completed a key test Dec. 20, a countdown demonstration test, ahead of the Artemis II flight around the Moon early next year. The astronauts, supported by launch and flight…

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NASA Works MAVEN Spacecraft Issue Ahead of Solar Conjunction
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NASA is continuing efforts to recontact its MAVEN (Mars Atmosphere and Volatile EvolutioN) spacecraft, which was last heard from on Dec. 6. In partnership with NASA’s Deep Space Network (DSN), the MAVEN team has sent commands for spacecraft recovery and…

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NASA Astronaut Nick Hague Retires
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NASA astronaut Brig. Gen. Nick Hague has retired from the agency, concluding a distinguished career that included two spaceflight missions, 374 days in space, and multiple spacewalks in support of the International Space Station. Hague continues service in the U.S. Space Force.…

News Release
NASA’s Hubble Reveals Largest Found Chaotic Birthplace of Planets
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Astronomers using NASA’s Hubble Space Telescope have imaged the largest protoplanetary disk ever observed circling a young star. For the first time in visible light, Hubble has revealed the disk is unexpectedly chaotic and turbulent, with wisps of material stretching…

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I Am Artemis: Grace Lauderdale
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Listen to this audio excerpt from Grace Lauderdale, exploration project manager for the Training Systems Office at NASA Johnson: In preparation for their mission around the Moon inside NASA’s Orion spacecraft, the Artemis II crew will spend countless hours training inside the…

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Curiosity Blog, Sols 4750-4762: See You on the Other Side of the Sun
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Written by Lucy Thompson, Planetary Scientist and APXS team member, University of New Brunswick, Canada Earth planning date: Monday, Dec. 22, 2025 As we all prepare for the holiday season here on Earth, we have been planning a few last…

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