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

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

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

Find out how comets are connected to some of our favorite annual astronomy events with November's Night Sky Notes!

Top 10 Scariest Sounds of SpaceSubscribe to Top 10s ► <a href=" from Top 10s counts down the #Top10 Scariest Sounds of Space!

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

Comet C/2024 S1 (ATLAS) passed its closest point to Earth on Oct. 23, reaching a magnitude of 8.7, far too dim to be seen with the naked eye. Still, telescopes were able to catch a glimpse of the icy ...

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 ...

Like Icarus, Comet C2024 S1 flew too close to the sun and vaporized this week. Here's how the "Halloween comet" met its fiery ...

The passage of Comet C/2023 A3 presented an opportunity to gain insights into the near-Sun environment and solar space weather.

U.S. Naval Research Laboratory’s CCOR captured solar CME images, while the LASCO telescope observed comet Tsuchinshan-ATLAS ...