Science Mission Directorate

General
Planetary Defense
Planetary Defense Coordination Office
Planetary Science
Planetary Science Division
Science & Research
Science Mission Directorate

Near-Earth Asteroids as of September 2025

Each month, NASA’s Planetary Defense Coordination Office releases a monthly update featuring the most recent figures on NASA’s planetary defense efforts, near-Earth object close approaches, and other timely facts about comets and asteroids that could pose an impact hazard with Earth. Here is what we’ve found so far. Updated: September 11, 2025
Posted September 11, 2025
Perseverance (Rover)
Astrobiology
Mars
Mars 2020
Planetary Science
Science Mission Directorate

NASA Says Mars Rover Discovered Potential Biosignature Last Year

Lee este comunicado de prensa en español aquí. A sample collected by NASA’s Perseverance Mars rover from an ancient dry riverbed in Jezero Crater could preserve evidence of ancient microbial life.
Posted September 10, 2025
Biological & Physical Sciences
ISS Research
Science & Research
Science Mission Directorate
Uncategorized

NASA Aims to Keep Fuel Cool Under Pressure with Zero Boil-Off Experiment On NG-23

Space missions rely on cryogenic fluids — extremely cold liquids like liquid hydrogen and oxygen — for both propulsion and life support systems. These fuels must be kept at ultra-low cryogenic temperatures to remain in liquid form; however, solar heating and other sources of heat increase the rate of evaporation of the liquid and cause […]
Posted September 10, 2025
Astrobiology
Mars
Perseverance (Rover)
Science & Research
Science Mission Directorate

What Would It Take to Say We Found Life? We Asked a NASA Expert: Episode 63

What Would It Take to Say We Found Life? We call this the podium test. What would it take for you personally to confidently stand up in front of an international audience and make that claim? When you put it in that way, I think for a lot of scientists, the bar is really high. […]
Posted September 10, 2025
Perseverance (Rover)
Mars 2020
Planetary Science Division
Science Mission Directorate

NASA to Share Details of New Perseverance Mars Rover Finding

NASA will host a news conference at 11 a.m. EDT Wednesday, to discuss the analysis of a rock sampled by the agency’s Perseverance Mars rover last year, which is the subject of a forthcoming science paper. The agency previously announced this event as a teleconference.  Watch the news conference on NASA’s YouTube channel and the agency’s […]
Posted September 10, 2025
Artemis
Earth's Moon
Science Mission Directorate

NASA Selects Instruments for Artemis Lunar Terrain Vehicle

NASA has selected three instruments to travel to the Moon, with two planned for integration onto an LTV (Lunar Terrain Vehicle) and one for a future orbital opportunity. The LTV is part of NASA’s efforts to explore the lunar surface as part of the Artemis campaign and is the first crew-driven vehicle to operate on […]
Posted July 10, 2025
Earth
Heliophysics
Science Mission Directorate
Solar Wind
TRACERS

NASA to Brief Media on New Mission to Study Earth’s Magnetic Shield

NASA will hold a media teleconference at 11 a.m. EDT on Thursday, July 17, to share information about the agency’s upcoming Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites, or TRACERS, mission, which is targeted to launch no earlier than late July.
Posted July 10, 2025
Goddard Space Flight Center
Heliophysics
Heliophysics Division
Missions
NASA Centers & Facilities
NASA Directorates
Parker Solar Probe (PSP)
Science & Research
Science Mission Directorate
Solar Wind
Space Weather
The Sun

NASA’s Parker Solar Probe Snaps Closest-Ever Images to Sun

On its record-breaking pass by the Sun late last year, NASA’s Parker Solar Probe captured stunning new images from within the Sun’s atmosphere.
Posted July 10, 2025
Earth
Applied Sciences Program
Earth Science Division
Ellington Field
Floods
General
Jet Propulsion Laboratory
Johnson Space Center
NASA Aircraft
NASA Headquarters
Science Mission Directorate
WB-57

NASA Aircraft, Sensor Technology, Aid in Texas Flood Recovery Efforts

In response to recent flooding near Kerrville, Texas, NASA deployed two aircraft to assist state and local authorities in ongoing recovery operations.
Posted July 9, 2025
Tropospheric Emissions: Monitoring of Pollution (TEMPO)
Earth
Earth Science
Earth Science Division
General
Langley Research Center
Missions
Science Mission Directorate

NASA Mission Monitoring Air Quality from Space Extended 

Since launching in 2023, NASA’s Tropospheric Emissions: Monitoring of Pollution mission, or TEMPO, has been measuring the quality of the air we breathe from 22,000 miles above the ground.
Posted July 3, 2025
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