Bruce McCandless II. Photo: NASA NASA astronaut Bruce McCandless II stepped away from the Space Shuttle Challenger on Feb. 7, 1984, using a jet-powered backpack called the Manned Manoeuvring Unit ...

CAPE CANAVERAL, Fla. (AP) — Four space tourists who orbited the north and south poles returned to Earth on Friday, splashing down in the Pacific to end their privately funded polar tour.

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Mar. 20, 2025 — The Dark Energy Spectroscopic Instrument used millions of galaxies and quasars to build the largest 3D map of our universe to date. Combining their data with other experiments ...