Hundreds of mysterious objects have appeared in images captured by the Webb space telescope. The curious dots could reshape scientists’ understanding of the cosmos.
Astronomers have discovered what they think may be an interstellar object passing through the solar system. At twice as wide as Mount Everest is tall, A11pl3Z (now called 3I/ATLAS and C/2025 N1) would ...
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What scientists say about the unusual object moving through our solar system
Comet 3I/ATLAS, the third known interstellar object ever detected passing through our solar system, carries a chemical signature that does not match what astronomers typically see in comets born ...
The comet 3I/ATLAS moves against a backdrop of stars. The ATLAS survey telescope in Rio Hurtado, Chile, was the first to report that the object came from interstellar space. ATLAS / University of ...
What made the pulses puzzling to the astronomers was that they came in the form of both radio waves and X-rays. The discovery marks the first time that such objects, called long-period transients, ...
Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our solar system—only the third ever spotted, though scientists suspect many more may slip past unnoticed. The ...
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