A January 2026 Earth–Sun alignment allows measurements of the opposition surge from interstellar object 3I/ATLAS using ...

The first time 3I/ATLAS showed up cleanly in deep stacked frames, its tail did something comets are not supposed to do: it ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...

Dec. 19 (UPI) --Comet 3I/ATLAS passed its nearest point to Earth early Friday and approaching within 168 million miles. After its brief visit Friday the interstellar object 3I/ATLAS will head back ...

A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...

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 ...

The NASA/ESA Hubble Space Telescope reobserved interstellar comet 3I/ATLAS on 30 November with its Wide Field Camera 3 instrument. At the time, the comet was about 286 million kilometers from Earth.

The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to know. Good morning, Space Fans! As of today, we are T-2 days until the ...

Liftoff occurred at 3:28 a.m. ET on Tuesday (Dec. 16). When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. United Launch Alliance (ULA) sent another ...

AUSTIN (KXAN) — We’re just days away from the arrival of a comet from outside of our solar system. On December 19, 3I/ATLAS will make its closest approach to Earth after months of travel. This is the ...

The interstellar object 3I/ATLAS is expected to make its closest approach to Earth mere days from now, coming within just 167 million miles — a significant gulf, but a mere stone’s throw on the cosmic ...

The comet is the 3rd interstellar object ever detected and got its name from the ATLAS telescope that discovered it. NASA officials have rejected conspiracy theories that the object could be an alien ...