I/ATLAS might only be the third interstellar object seen in our solar system. But it is not special in the sense that there are 10^{23}, or one hundred sextillion, such objects in the Milky Way alone.
Martha Stewart on MSN
Comet Lemmon delights stargazers as it blazes by the Milky Way—see the photo here
Comet C/2025 A6 (Comet Lemmon) made a striking appearance in 2025, becoming visible to the naked eye and exceeding astronomers' expectations for brightness. A dramatic image captured from Hawaii's ...
Fourth anniversaries aren’t often causes for celebration. But in the case of the James Webb Space Telescope (JWST), which ...
Barakat’s photograph quietly underscores that reality. The scene feels extraterrestrial, not because it is unfamiliar, but ...
The best time to view the Milky Way in the Northern Hemisphere is from March to September. The Milky Way, our home galaxy ...
A sideways spiral galaxy shines in this NASA/ESA Hubble Space Telescope image. Located about 60 million light-years away in ...
3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...
NASA’s SPHEREx Observatory maps the entire sky in 102 infrared colors, enabling 3D galaxy distribution studies, cosmic ...
An interstellar comet believed to be billions of years older than the Sun passed its closest point to Earth on Friday, giving ...
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 ...
The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.
While online conspiracies swirl, comet 3I/ATLAS made a close pass by Earth on Dec. 19, giving astronomers a rare glimpse of a ...
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