Conditions are near-perfect to spot this celestial visitor, which won't appear again in our night sky for another millennium.

Comet Lemmon is now visible with comet SWAN after sunset while also remaining visible before dawn for Northern Hemisphere ...

The European Space Agency's two Mars orbiters take their shot at getting pictures of the exotic interstellar comet 3I/ATLAS.

Water is the universal yardstick of comet science, the baseline for measuring how sunlight drives a comet's activity and ...

Perplexity is firmly in SquareX’s crosshairs. In its testing, SquareX says, “Comet fell prey to an OAuth attack, providing ...

The images offer the closest view yet of comet 3I/ATLAS, famous for being only the third known interstellar object to pass ...

This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and ...

The images taken by two Mars orbiters show a bright, fuzzy white dot of the comet, also known as 3I/ATLAS, appearing to move ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

Perplexity's Comet browser could until recently be hijacked by malicious links, causing it to siphon personal information and ...

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

Comet C/2025 A6 Lemmon is getting brighter and whether you have a telescope, binoculars or just your eyes, here’s how you can ...