Hubble’s razor-sharp view of NGC 1786, a globular cluster in the Large Magellanic Cloud, lets astronomers peer 160,000 light-years back to study some of the universe’s oldest stars. By comparing these ancient stellar time capsules Read More
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A mysterious, ice-rich comet named 3I/ATLAS has entered our solar system — and it may be the oldest comet ever observed. Estimated to be over 7 billion years old, this interstellar visitor likely originated from the Read More