See Comet Lemmon shine in the skies over England in a new sunset portrait. Award-winning astrophotographer Josh Dury has ...

Comet Lemmon will have its closest brush with Earth on or around Tuesday, Oct. 21. Comet SWAN should have its flyby with ...

Lemmon and SWAN — plus a meteor shower are gracing October 2025 skies, weather-permitting. Learn the best times and ...

Comet Lemmon has brightened dramatically since its discovery on Jan. 3,, raising hopes that it could become a spectacular ...

Seeing more than one comet in a single month is unusual, making this a rare opportunity for skywatchers. What to know.

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

NASA’s Swift telescope spotted signs of water on interstellar comet 3I/ATLAS - proof that water flows far beyond our solar ...

"Current models are showing the [Lemmon] comet will likely peak between 3.5 and 4.5 magnitudes when it is nearest to Earth on October 21, which is dimmer than what they showed last week," Saint Louis ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

ALMA captures surprising activity in comet C/2014 UN271, Bernardinelli-Bernstein comet, the largest ever detected.

An interstellar visitor is zipping through the Milky Way, and a team of Michigan State University researchers is keeping ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?