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

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...

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 ...

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

Comet C/2023 P1, Nishimura visible from Earth. Credit: NASA/JPL-Caltech | edited by Space.com Newsom calls special session to ...

Watch Comet C/2024 S1 (ATLAS) make a death dive into the sun in this eerie footage from the Solar and Heliospheric ...

So, much of the damage was done before it got close to the sun, giving our nearest star a partial pass on being the full ...

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Comets have long been seen as omens and portents, and it's easy to understand why. They first appear as faint smudges of light in the sky, sometimes fading soon after and sometimes becoming brighter ...

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

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

The Popular Astronomy Club meets the second Monday of the month at 7 p.m. at the Butterworth Center in Moline. All are ...