
NASA Imagery Details Twice-Daily Tidal Shifts in Guinea-Bissau Archipelago
Satellite imagery from NASA and the USGS highlights how daily tides reshape Guinea-Bissau's Bijagós Archipelago, temporarily expanding island landmasses during low tide.
United States civil space agency that publishes the Astronomy Picture of the Day.
United States civil space agency that publishes the Astronomy Picture of the Day.

Satellite imagery from NASA and the USGS highlights how daily tides reshape Guinea-Bissau's Bijagós Archipelago, temporarily expanding island landmasses during low tide.

NASA delivered its compact NavCube3-mini navigation receiver to Intuitive Machines on July 13 for integration into the Altus-1 lunar relay satellite. The receiver uses Earth-based GPS and Galileo signals to track positions in lunar orbit, supporting future crewed and robotic missions to the Moon.

Ike Theriot, Flight Operations Surface Testing lead at NASA's Johnson Space Center, is helping prepare astronauts for upcoming Artemis missions by developing simulated moonwalks, evaluating spacesuits, and conducting field training.

NASA engaged over 500,000 visitors with interactive exhibits, astronaut appearances, and educational displays at the FIFA Fan Festival in Houston during the World Cup tournament.

NASA's Astronomy Picture of the Day highlighted a streak of a vaporizing meteor caught on camera directly in front of the Great Lacerta Nebula.

NASA's Astronomy Picture of the Day featured a circumhorizontal arc, popularly known as a 'fire rainbow,' captured near North Fork Mountain in West Virginia. The visual phenomenon relies on specific solar angles and horizontally aligned ice crystals in high cirrus clouds.

A refrigerator-sized rescue satellite named Link spun out of control during a mission to boost the orbit of NASA's $500 million Swift gamma-ray observatory. Engineers are currently attempting to fix thruster and hardware issues to regain control.

NASA's Astronomy Picture of the Day for August 1, 2026, showcased a coastal landscape from Croatia featuring July's full Buck Moon, Earth's twilight shadow, and the pinkish Belt of Venus.
%20(cropped%202)%20(b).jpg?width=640)
Entrepreneur and CEO involved in SpaceX and artificial intelligence ventures.
NASA astronaut who participated in the Fan Festival closing ceremony.
Astrophotographer credited with capturing the meteor photograph.
Photographer who captured the featured Buck Moon and Belt of Venus image.
NASA astronaut and Commander of the Artemis II mission.
Photographer who captured the circumhorizontal arc