Blog

Asteroids
Astromaterials
Bennu
Goddard Space Flight Center
Johnson Space Center
OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer)
Planetary Science
Planetary Science Division
In one of the biggest surprises of NASA’s OSIRIS-REx mission, its target asteroid, Bennu, turned out to be a jagged, rugged world covered in large boulders, with few of the smooth patches of sandy or pebbly material scientists had expected based on observations with Earth-based instruments.
Posted March 17, 2026
Citizen Science
Earth Science
Earth Science Division
The bigger the hailstone, the more damage it can cause. But scientists find that predicting hailstone size can be challenging. How quickly does hail melt as it falls?
Posted March 17, 2026
Earth
Earth Observatory
Earth Science
Earth Surface & Interior
Landsat 8 / LDCM (Landsat Data Continuity Mission)
Life on Earth
Topography
Vegetation
Ireland is best known for its many greens, but the striking grays of the island’s Burren region also stand out in satellite images.
Posted March 17, 2026
Quesst (X-59)
Aeronautics
Aeronautics Research
Aeronautics Research Mission Directorate
Aeronautics Technology
Armstrong Flight Research Center
Langley Research Center
Science & Research
NASA will hold a media teleconference at 5:30 p.m. EDT on Thursday, March 19 to highlight plans for its X-59 quiet supersonic aircraft’s upcoming flight tests. The teleconference is set to take place after the X-59 is scheduled to complete its second flight, in California. For the media call, NASA leadership will join representatives from […]
Posted March 16, 2026
Photojournal
Description This pair of images shows stars observed by the SPARCS (Star-Planet Activity Research CubeSat) space telescope simultaneously in the near-ultraviolet, left, and far-ultraviolet, right. These observations were recorded on Feb. 6, 2026, three weeks after the cube satellite, or CubeSat, launched aboard a SpaceX Falcon 9 on Jan. 11.
Posted March 16, 2026
Ames Research Center
Artemis 2
Goddard Space Flight Center
Heliophysics
Heliophysics Division
Space Weather
The Sun
As four astronauts travel around the Moon on NASA’s Artemis II mission, they will venture beyond Earth’s protective magnetic field.
Posted March 16, 2026
NASA History
From the voyages of spacecraft to the Moon and beyond, to the launches of satellites that help us navigate, communicate, and understand our planet and the universe, the use of liquid-fueled rockets has been key to humanity’s use and exploration of space. Today marks 100 years since the first successful test of this technology. On […]
Posted March 16, 2026
NASA Engineering and Safety Center
Download PDF: A Combination of Techniques Leads to Improved Friction Stir Welding The NESC developed several innovative tools and techniques during an assessment to find the root cause of poor tensile strength and low topography anomalies (LTA) in welds formed using a solid-state welding process called self-reacting friction stir welding (SRFSW).  
Posted March 16, 2026
General
NASA Engineering and Safety Center
Download PDF: NESC Develops Method for Estimating Risk When Reducing NDE  Performing nondestructive evaluation (NDE) can have both cost and schedule impacts, leading some to question whether descoping (i.e., reducing or eliminating) NDE inspections on certain spaceflight hardware could be possible.
Posted March 16, 2026
Earth Observatory
Ice & Glaciers
Landsat 8 / LDCM (Landsat Data Continuity Mission)
Ocean Circulation
Sea Ice
During the 2022 summer melt season, sediment plumes and fractured sea ice traced swirling eddies in a branch of the Nansen Sound fjord system in the Canadian Arctic.
Posted March 16, 2026
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