Tiny asteroid 2025 UK9 to pass closer than the Moon on Oct. 31
NASA/JPL lists the small asteroid 2025 UK9 passing 314,648 km from Earth on Oct. 31. Sentry also tracks it, with a cumulative…
Solar System
News about the planets, moons, asteroids and comets of our solar system, including asteroid close approaches tracked by NASA’s Center for Near Earth Object Studies and new findings from planetary science.
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Planet-forming disks hold water, and ALMA data link it to Earth’s water
ALMA has found at least 3.7 Earth oceans of water vapor in the HL Tauri disk and at…
Moonquakes at Apollo 17 site: Risk to Moon bases is low but real
A Science Advances study of boulder falls at the Apollo 17 site puts the daily chance of a…
Voyager at the heliopause: What the twin probes still measure in 2026
Voyager 1 is scheduled to reach one light-day from Earth on Nov. 18, 2026, with two instruments left,…