A rare interstellar comet will sweep past Earth this week at a safe distance, giving scientists a brief chance to study ...

Harvard physicist Avi Loeb highlights the unusually narrow sunward anti-tail jet of 3I/ATLAS, prompting questions about its origin ...

Comet 3I/ATLAS is just the third observed interstellar object ever witnessed in Earth's solar system. The Gemini South telescope in Chile is the latest observatory to get a glimpse of the object as it ...

New images reveal interstellar comet 3I/ATLAS beginning to grow a signature tail as it zooms closer to the sun ahead of a close encounter with Earth this fall. When you purchase through links on our ...

"We were excited to see the growth of the tail, suggesting a change in the particles from the previous Gemini images." When you purchase through links on our site, we may earn an affiliate commission.

Comet 3I Atlas is currently ~186 million miles from Earth, which is twice the distance from the Earth to the sun. It is moving away from the Sun now but getting closer to Earth until December 19, 2025 ...

Interstellar comet 3I/ATLAS will make its closest approach to Earth on December 19, 2025, offering astronomers a rare chance to study material from another star system.

The interstellar comet known as 3I/ATLAS is making its closest approach to Earth this week, drawing intense interest from ...

A rare interstellar visitor, comet 3I/ATLAS, is drawing attention as it approaches Earth, growing brighter and taking on a ...

Two ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new paper finds. When you purchase through links on our site, we may earn an ...

Astrophotographer Brennan Gilmore has captured spectacular views of the solar wind stripping a vast section from C/2025 A6 (Lemmon)'s tail, as the icy wanderer continues to brighten ahead of its close ...