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This July 23, 2026, illustration depicts charged particles from a solar storm stripping away charged particles of Mars’ atmosphere, one of the processes of Martian atmosphere loss studied by NASA’s MAVEN (Mars Atmosphere and Volatile Evolution) mission. NASA MAVEN mission scientists have found that certain types of auroras on Mars form in a similar way […]

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Since their discovery by NASA’s James Webb Space Telescope in 2022, little red dots (LRDs) have been the subject of great interest to astronomers. Understanding the nature of these extremely distant, compact red sources has been a puzzling scientific endeavor. One popular theory is that little red dots are supermassive black holes known as active […]

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Ray Williams’ progression at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, has uniquely prepared him for his new role. As part of NASA’s plan to restore core competencies by converting contractors to civil service, the New Orleans native and Grambling State University graduate now works as a supervisor for test operations support at […]

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Seaweed composing the Great Atlantic Sargassum Belt hit near-record levels in June 2026, with the Caribbean Sea and Gulf of America both reaching all-time highs.

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Lightning storms have ignited dozens of fires in central and eastern Oregon.

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NASA astronaut Chris Williams will recap his recent eight-month mission aboard the International Space Station during a news conference at 2:45 p.m. EDT Tuesday, Aug. 4, from the agency’s Johnson Space Center in Houston. NASA will stream this event live through a variety of platforms. Learn where to watch online: https://www.nasa.gov/live United States-based media interested […]

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Each time the Moon covers the Sun during a total solar eclipse — darkening daytime skies and briefly revealing the Sun’s ethereal outer atmosphere, the corona — it presents new opportunities to better understand our star and its influence on Earth. On Wednesday, Aug. 12, as the next total solar eclipse sweeps over Greenland, Iceland, […]

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NASA astronaut Chris Williams is all smiles in this July 26, 2026, photo taken shortly after he landed with Expedition 74 Roscosmos cosmonauts Sergey Kud-Sverchkov, and Sergei Mikaev in Kazakhstan. This was Williams’ first mission. Williams spent eight months aboard the International Space Station, where he supported a wide range of scientific investigations and technology demonstrations. He […]

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NASA will provide coverage as astronauts venture outside the International Space Station during three spacewalks in August to continue upgrading solar arrays, replace a communications antenna, and connect power and data cables in support of space station operations. Experts will preview the upcoming spacewalks during a news conference at 2 p.m. EDT, Thursday, July 30, […]

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NASA’s Hubble finds that star formation in the Andromeda galaxy has undergone a 500-million-year decline.