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

I/ATLAS made its closest approach to Earth on 29 October 2025, coming within 1.8 astronomical units, or around 167 million miles.

What can a comet from another star system teach us about our own?” That’s the question at the heart of a rare astronomical moment unfolding far from Earth’s view. On October 30, the interstellar comet ...

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

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

Dr John Brandenburg claims interstellar comet 3I/ATLAS is visible despite its position near the Sun, sparking debate over its ...

Contrary to allegations that 31/ATLAS is potentially hostile alien tech, the Manhattan-sized comet could provide potentially ...

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

Comet 3I/ATLAS is passing through our solar system. Professor Avi Loeb suggests it may be an alien artifact. Data indicates ...

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 ...

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 ...

In October, a newly discovered comet will streak so close to Earth that people may be able to make out its heavenly fireworks with the naked eye — a spectacle that won’t happen again for more than a ...