At the American Museum of Natural History, a Look to Outer Space

Stranded astronauts and celebrity space tourism have piqued interest in space — and a photography exhibition in the museum is making the most of it.

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Jonathan McDowell on Retiring From Harvard and Leaving the U.S.

Jonathan McDowell is retiring from studying the universe. But he’s ramping up efforts to chronicle humanity’s exploration of space.

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Gaia to Shut Down After More Than a Decade of Mapping the Milky Way

After more than a decade of mapping the stars, the European spacecraft will shut down on Thursday. But its legacy lives on.

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Mauna Loa Observatory’s Lease May End Because of NOAA Cuts

NOAA, the nation’s leading climate science agency, may lose dozens of offices, including one that is key to the Mauna Loa Observatory in Hawaii.

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Photos Show Blood Moon Lunar Eclipse Around the World

The first total lunar eclipse in more than two years lit up the sky last night as humanity, forever fascinated with the Earth’s only natural satellite, watched.

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SpaceX Launches NASA’s SPHEREx and PUNCH Missions

The SPHEREx telescope will create the most colorful map of the cosmos, while the four satellites of the PUNCH mission track the evolution of the solar wind in three dimensions.

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Saturn Gains 128 New Moons, Bringing Its Total to 274

The objects around the ringed planet are tiny, but some of them may have formed relatively recently in the solar system’s history.

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NASA to Launch SPHEREx and PUNCH Missions: How to Watch

Two missions, SPHEREx and PUNCH, are expected to launch on a SpaceX rocket on Saturday.

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Asteroid 2024 YR4 Could Strike Earth, Researchers Say, But the Odds are Small

Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December 2032.

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Earth’s Mini-Moon Was Probably a Piece of Its Real Moon

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

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