Potentially dangerous comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, ...

Hale-Bopp originated in the Oort Cloud, a theoretical shell of icy planetesimals surrounding the sun in the outer reaches of ...

Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The ...

Above: Takaya Okada (Japan) observes Comet C/2023 A3 with his EVSCOPE2. In the background you can see the comet tracing its ...

ESA’s Rosetta and Philae mission explored comet 67P, revealing secrets about the solar system’s formation and Earth’s origins ...

On 12 November 2014, after a 10-year journey through the solar system and over 500 million kilometers from home, Rosetta's lander Philae made space exploration history by touching down on a comet for ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this weekend, with sky charts, before it disappears.

The so-called "Halloween comet" vaporized as it flew within 1 million miles of the sun on Monday, its destruction captured by ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Friday, Nov. 1, with sky charts, ...

From revealing the comet's rubber-ducky shape and unique auroras up close to discovering Earth-like gases streaming from the ...

So, it was a rare treat indeed in October 2024 when Comet Tsuchinshan-ATLAS was at its peak visibility. Even then, it was ...