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Comet believed to be 3 billion years older than our solar system
Scientists now say an interstellar comet discovered earlier this month could be one of the oldest that astronomers have ever encountered.
New interstellar comet will keep a safe distance from Earth, NASA says
NASA has discovered an interstellar comet that's wandered into our backyard. Luckily, it won't get near enough to be a threat ...
What Is an Interstellar Comet? NASA’s Latest Discovery Explained
Discover the rare interstellar comet 3i/Atlas, recently confirmed by NASA in July 2025. Learn what makes interstellar comets ...
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Astronomers Spot Interstellar Visitor: a Comet Blazing Through Our Solar System, Just the Third Ever Seen
Dubbed 3I/ATLAS, it is blazing through our cosmic cul-de-sac at truly awe-inspiring speeds between the main asteroid belt and ...
Astronomers think newly discovered comet may be way older than the sun
The icy traveler, called 3I/ATLAS or Comet ATLAS, was discovered on July 1 by the NASA -funded ATLAS survey telescope in Río Hurtado, Chile. This enormous space snowball came from the direction of the ...
NASA discovers third interstellar comet
July 3 (UPI) -- NASA discovered the third interstellar comet through a survey telescope in Rio Hurtado, Chile. The ...
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NASA's asteroid-crash Earth defense tactic has a complication — DART ejected large boulders into space
When NASA's DART mission crashed into the asteroid Dimorphos, the first stage of the impact saw the spacecraft's solar panels ...
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Comet NEOWISE is visible this month. Here’s what we know about it - CNN
Comet NEOWISE will be visible above the northwestern horizon in the Northern Hemisphere in the evenings this month. Once it disappears from view, the comet will not be visible in Earth’s skies ...