Cross-section of comet 67P showing the 3D model of the layered structure compressed and folded by the collision of the lobes (arrows indicate the direction of compression). Disclaimer ...

Philae is a spacecraft about the size of a washing machine, and it was dropped off at Comet 67P by another spacecraft named Rosetta in November of 2014. But when its landing harpoons failed to ...

Scientists have spotted an aurora coming from a comet for the first time ever. The comet, 67P/Churyumov-Gerasimenko, has an aurora of far-ultraviolet light that can’t be seen by the naked eye.

The rare Comet C/2023 A3, also known as the Tsuchinshan-Atlas comet, is visible in the western sky shortly after sunset every ...

Comet Tsuchinshan-ATLAS will round Earth mid-month, but an astronaut on the International Space Station captured amazing ...

Look west the next clear night; binoculars are advised as the comet is slowly dimming and shortening. It will require ...

That’s roughly the same distance from our star as Mercury, so the comet will be getting a big blast of heat and light. Because of our viewing geometry, it will be in Earth’s early-morning sky ...

The last frozen ice ball that gave us a big show was Hale-Bopp, a comet that was visible for nearly 18 months around its closest approach to Earth in 1997. Officially designated C/2020 F3 ...

The comet comes from the Oort cloud, a giant spherical shell surrounding our solar system, that is “like a big, thick-walled bubble made of icy pieces of space debris,” according to NASA.

The Kreutz sungrazers likely all came from a big comet that broke apart years ago, and they all tend to be tiny little guys. That’s why during the comets’ close approach to the Sun ...

October's supermoon is the closest of the year and it's teaming up with a comet for a rare stargazing two-for-one.