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Description Captured by the multispectral imager instrument on NASA’s Psyche mission, this is an enhanced-color mosaic created from four individual images acquired on May 15, 2026, during the spacecraft’s flyby of Mars. Psyche was traveling from right to left (northeast to southwest on Mars) during the six minutes that it took to acquire the image

Posted July 17, 2026

Artemis Accords

Artemis

General

Office of International and Interagency Relations (OIIR)

NASA Welcomes Mauritius as 70th Artemis Accords Signatory

The Republic of Mauritius has officially joined the global coalition committed to responsible space exploration, becoming the newest signatory and seventh African country to join the Artemis Accords. NASA’s Deputy Administrator Matt Anderson contributed video remarks for a signing ceremony on Friday, in the island nation’s city of Ébène.

Posted July 17, 2026

Earth Observatory

A Tide-Fueled Trove of Biodiversity in Guinea-Bissau

The expansive mudflats, sandy beaches, and mangrove forests of the Bijagós archipelago support an array of migratory shorebirds and large numbers of sea turtles.

Posted July 17, 2026

Artemis Accords

Artemis

Office of International and Interagency Relations (OIIR)

NASA Welcomes Serbia as Newest Artemis Accords Signatory

The Republic of Serbia signed the Artemis Accords Thursday during a ceremony hosted by NASA at the agency’s Headquarters in Washington, becoming the 69th nation to join a large community of like-minded nations committed to the peaceful, transparent, and responsible exploration of space.

Posted July 17, 2026

Comets

Asteroids

Jet Propulsion Laboratory

Planetary Defense

Planetary Defense Coordination Office

Planetary Science

The Sun & Solar Physics

NASA Study Finds Near-Earth Asteroid Is Actually Comet

New research led by scientists at NASA’s Jet Propulsion Laboratory in Southern California has revealed the identity of a puzzling near-Earth object by precisely tracking its motion through space and using powerful observatories that image faint celestial objects.

Posted July 16, 2026

Young Galaxy Cluster

NASA’s James Webb Space Telescope takes us 4.4 billion years in the past with this July 3, 2026, image of a young galaxy cluster, MACS J0553.4-3342. The cluster is composed of two actively merging sub-clusters, roughly equal in mass. Each sub-cluster is anchored on an immensely bright and massive elliptical galaxy, easily identifiable as the […]

Posted July 16, 2026

Air Quality

Earth Observatory

NOAA-21 (JPSS-2)

Visible Infrared Imaging Radiometer Suite (VIIRS)

Wildfires

Ontario Wildfire Smoke Moves East

Canadian wildfires sent plumes of smoke streaming over Ontario, Quebec, and parts of the U.S. Midwest and Northeast.

Posted July 16, 2026

Armstrong Flight Research Center

Aeronautics

Flight Innovation

NASA Uses Subscale Aircraft to Accelerate Flight Innovation

Testing new aerospace concepts in flight remains one of NASA’s most effective ways to advance knowledge and reduce risk.

Posted July 16, 2026

Ames Research Center

Asteroids

Astromaterials

Goddard Space Flight Center

Johnson Space Center

Meteors & Meteorites

NASA Study of Pristine Meteorite Adds to Story of Ancient Asteroids

A meteorite recovered immediately upon its fall to Earth on July 16, 2024, is helping NASA scientists uncover new clues about ancient water, the chemical evolution of primitive asteroids, and the ingredients that may have helped make life possible throughout the early solar system.

Posted July 15, 2026

Human Landing System Program

Artemis

Artemis 3

Marshall Space Flight Center

How NASA’s Artemis III Lander Test Will Pave Way for Moon Landings

Before Artemis astronauts land on the Moon’s surface in 2028, NASA will conduct the Artemis III demonstration mission in 2027, allowing teams on Earth and in orbit to practice rendezvous and docking operations between commercial human landing systems and the Orion spacecraft.

Posted July 15, 2026