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 ...

A decade ago, scientists at the European Space Agency (ESA) had just wrapped up the yearslong process of building a ...

Comet ATLAS (C/2024 S1) is due to pass closest to the sun on October 28, and may be visible to the naked eye in the days before and after.

A recently discovered comet that some stargazers had hoped to see during Halloween week has disintegrated before the day of ghosts and ghouls. NASA confirmed Tuesday its sun-observing spacecraft ...

Comet Tsuchinshan–ATLAS, discovered in 2023, is expected to be visible for the next few weeks after making its closest approach last Saturday. It is the brightest comet since Neowise in 2020 ...

Rosetta was also the first to follow a comet around the sun, monitoring its activity as it made its closest approach to the ...

Comet NEOWISE made its closest approach to our star on July 3 ... Since they retain the building blocks of planets in their frozen ice, they can provide scientists with important information ...

Many of us had an opportunity to gaze into the night sky recently and behold Comet C/2023 A3 (Tsuchinshan-ATLAS). But have ...

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

Comet C/2023 A3 making closest pass to Earth Comet Tsuchinshan-ATLAS has an 80,000 year orbit and, it just so happens, that it is now approaching its closest pass to Earth. On Wednesday, the comet ...

SANTA ROSA, Calif. - Comet C/2023 A3 (Tsuchinshan-ATLAS), the comet some call the ‘comet of the century’, was captured soaring across the sky above Santa Rosa by KTVU photographer Jaden Schaul.