Leaked images hint at a dusty spacecraft; Avi Loeb fuels speculation, but NASA dismisses alien claims. Comet's brightening, ...

A famous comet visiting from outside our solar system known as 3I/ATLAS is blazing through our cosmic neighborhood, leaving a striking trail in its wake. A ground telescope in Chile recently glimpsed ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A new photo shows the long tail of Comet Lemmon after being twisted and shredded by a strong gust ...

Comet 3I/ATLAS nears the sun Oct. 29. Experts say it's natural, despite viral alien theories. Here's how to see it from ...

Tonight, skywatchers can witness Comet Lemmon (C/2025 A6), a rare visitor visible in the northwestern sky after sunset. This ...

Researchers are asking amateur astronomers to help photograph the broken tail of a comet on track to pass by Earth this spring. When you purchase through links on our site, we may earn an affiliate ...

Interstellar comet 3I/ATLAS will reach perihelion on October 30, triggering its brightest and most active phase as NASA and ...

Disconnection events are a rarity, but become more likely as a comet gets closer to the Sun. Stronger, more frequent CMEs are expected as the Sun approaches the peak in its 11-year cycle known as ...

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 ...