NASA Satellite Record Lets Scientists Compare This Year's El Niño With Past Events

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NASA has used a 35-year satellite altimetry dataset to examine the current El Niño. The record allows researchers to directly compare this year's event with its strongest predecessors. The comparison provides a longer-term view of how the phenomenon has developed. The source material does not detail specific measurements or conclusions beyond this methodological point.

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NASA's Astronomy Picture of the Day Features Andromeda Galaxy Seen from the Southern Hemisphere

NASA's Astronomy Picture of the Day for October 23, 2026 is titled 'Andromeda in Southern Spring.' The featured image is part of the agency's daily series that presents a space photograph with a short explanation written by a professional astronomer. The article text provided is limited to website navigation and a general description of the series, so specific details about the image's capture are not included. The entry is published on NASA's APOD website as part of its ongoing public education effort. Readers seeking the full explanation and image should consult the original APOD page.

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NASA Opens Media Invitation for 2026 von Braun Space Exploration Symposium

NASA is inviting members of the press to attend its 2026 von Braun Space Exploration Symposium. The event runs from Monday, October 26, through Wednesday, October 28, at the University of Alabama in Huntsville. This year's gathering centers on humanity's return to the Moon and the infrastructure needed to sustain a lunar presence. Discussions will also cover advanced space propulsion and the changing workforce in the space sector. The symposium offers journalists an opportunity to hear from experts and observe the proceedings firsthand.

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Hubble Captures Edge-On Spiral Galaxy NGC 1827 in Columba

NASA released a Hubble Space Telescope image on October 16, 2026, showing the edge-on intermediate spiral galaxy NGC 1827. The galaxy lies about 37 million light-years from Earth in the constellation Columba, the Dove. The picture was taken as part of a survey examining 260 satellite galaxies orbiting 22 Milky Way-like host galaxies. The study aims to better understand how such satellite galaxies are distributed around larger galaxies. The article text provided is truncated, so further details of the survey are not included here.

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Hubble Maps Gravitational Lenses to Prepare for NASA's Roman Telescope

NASA's Hubble Space Telescope has captured numerous images of gravitational lenses. These observations are part of groundwork for the upcoming Nancy Grace Roman Space Telescope. The lensing images help plan the science that Roman will carry out once it is operational. The article describes this single observation as one among many taken by Hubble for this purpose.

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