Skywatchers throughout the Northern Hemisphere are enjoying views of the newly discovered Comet SWAN.

Named Kohoutek 4-55, the nebula was captured by the Hubble Space Telescope. Planetary nebulae like Kohoutek 4-55 are the ...

Dubbed C/2025 F2 (SWAN), the dust-laden streak is nicknamed for the SWAN instrument aboard the European Space Agency's sun-watching SOHO spacecraft. Australian amateur astronomer Michael Mattiazzo ...

Photos show that comet C/2025 F2 (SWAN) experienced a "major eruption," causing it to become temporarily brighter. However, it's still unclear whether the icy object is a true "cryovolcano." ...

"Amazing to witness such a newly discovered comet just several hours after its official designation," Dury told Space.com. Dury captured Comet C/2025 F2 (SWAN) soaring over the Mendip Hills ...