Relatively low tidal waters expose sandflats and mudflats in the Bijagós Archipelago of Guinea-Bissau in this image acquired on November 28, 2025, with the OLI (Operational Land Imager) on Landsat 8. These coastal landforms support an array of invertebrates, making the archipelago a popular stopover for migratory shorebirds.
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This composite of images taken by NASA’s Psyche mission shows the crescent of Mars grow as the spacecraft approached the planet for a gravity assist from May 2 to May 15, 2026. Because Psyche approached Mars from a high phase angle, the planet appeared as a thin crescent in the days running up to the close approach, lit by sunlight reflecting off its surface.
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Using data from NASA’s Chandra X-ray Observatory, astronomers may have found a supernova remnant in an intriguing neighborhood in the middle of our galaxy.
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This near-infrared image shows a section of one of the spiral arms of Messier 51 (M51).
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America’s first human spaceflight begins as the Mercury-Redstone 3 (MR-3) space vehicle, with astronaut Alan B. Shepard Jr. aboard, launches from Cape Canaveral, Florida on May 5, 1961.
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