Theories on 3I/ATLAS might not be as broad or mind-boggling as fake moon landing theories or the assassination of JFK. But since the discovery of the mysterious comet 3I/ATLAS, which came from outside ...

The average distance between Earth and the Moon is 384,400 kilometers (about 238,855 miles).

Add Yahoo as a preferred source to see more of our stories on Google. What seemed to be just a normal evening on July 1, 2025 for Larry Denneau, senior software engineer and astronomer at the ...

You might remember Avi Loeb from my breathless coverage of the interstellar object 3I/ATLAS last year. He’s the conspiratorial Harvard astronomer who dreamt up one fanciful possible reason for the ...

3I/ATLAS became the main character when it came hurtling into our solar system last year, so it’s only fitting it gets a dramatic backstory. After using the ALMA observatory in Chile to closely ...

Interstellar comet 3I/ATLAS contains exceptionally high levels of methanol, suggesting it formed under conditions very different from those that shaped most comets in our solar system. ALMA also ...

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Astronomers have used the European Southern Observatory's Very Large Telescope (ESO's VLT) to study the composition of 3I/ATLAS, the brightest interstellar object ever seen, in detail. By measuring ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a technosignature. Reading time 3 minutes From the moment astronomers discovered ...

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Here’s how to keep your 3I on it. With 3I/ATLAS slated to make its Earth tour in two days, amateur photographers and astronomers alike are scrambling to catch sight of the interstellar comet. Our ...