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Rare satellite footage shows the moon eclipsing the sun on a strangely crooked path

September 25, 2025
Coronagraph imagery of the partial solar eclipse on Sept. 21, 2025. (Image credit: NOAA, GOES-19 CCOR-1) On Sept. 21, while skywatchers on Earth were eagerly watching a partial solar eclipse unfold, NOAA’s space weather sentinel GOES-19 was also keeping watch from orbit. From its vantage point high above Earth, the satellite’s Compact Coronagraph-1 (CCOR-1) recorded something unusual…
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How do particle colliders work?

September 24, 2025
Particle accelerators, also known as particle colliders or atom smashers, have been responsible for some of the most exciting physics findings over the past century, including the discovery of the elusive Higgs boson, the fundamental force-carrying particle of the Higgs…
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Annular solar eclipse 2026: Everything you need to know about the 'ring of fire'

September 24, 2025
On Feb. 17, 2026, an annular solar eclipse will be visible from a remote part of Antarctica, forming a “ring of fire” for up to 2 minutes, 20 seconds as 96% of the sun’s center is eclipsed by the moon. Few will witness that moment, but observers in the rest of Antarctica — including those on cruise ships on late-season tours — will see a partial solar eclipse, as will people…
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This new NASA astronaut candidate has already been to space

September 24, 2025
One of NASA’s newly announced astronaut candidates already has a spaceflight under her belt. On Monday (Sept. 22), the space agency announced the 10 members of its newest astronaut class — five men and five women who will train for potential missions to commercial…
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Could new comet C/2025 R2 (SWAN) become visible to the naked eye in October? Here's what we know

September 23, 2025
A newly discovered comet will soon be gracing our evening sky. On Sept. 10, Vladimir Bezugly of Dnipro, Ukraine was examining online images of a low-resolution public website showing images obtained during Sept. 5-9 with the Solar Wind Anisotropies (SWAN) camera on the Solar and Heliospheric Observer (SOHO) spacecraft. That’s when he discovered a moving object, resembling a bright blob…
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'God of Chaos' asteroid Apophis will fly by Earth in April 2029 — and these 3 space probes will be watching

September 22, 2025
A trio of missions are on track to intercept and study the near-Earth asteroid Apophis during its close encounter with our planet in 2029. The 1,100-foot-wide (340 meters) asteroid Apophis is set for a close but non-threatening brush with Earth on Friday, April 13, 2029, and agencies across the world are looking to make the most of this unique opportunity. Ramses (short for “Rapid Apophis…
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