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I/ATLAS is the fastest comet ever recorded and its interstellar! NASA's Goddard Space Flight Center explains. Credit: NASA's ...

NASA’s Hubble Space Telescope got a rare look at the aftermath of two cosmic collisions — and helped scientists solve a decades-old mystery.

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

Dec. 19 (UPI) -- Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles.

The final ESA/Webb Picture of the Month feature for 2025 showcases a festive-looking region filled with glowing clouds of gas ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

Two strange galaxies that first crossed paths about 25 to 75 million years ago, prompting 'fireworks.' ...

Comet 3I/ATLAS, a rare visitor from another star system, is passing through our solar system. Discovered in July 2025, this ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

"Virgil has two personalities, its 'good' side – a typical young galaxy quietly forming stars. But Virgil transforms into the host of a heavily obscured supermassive black hole, pouring out immense ...