Recent sightings of interstellar comet 3I/ATLAS have sparked discussions of Jewish hopes and fears about extraterrestrial ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

Stargazing lovers are being given a once in several lifetimes chance tonight - to see a comet which will not return again for ...

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

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

Comets Lemmon and SWAN are making their closest approach to the Earth tonight, Oct. 21. Here's how you might see them with ...

This long-duration comet will make its closest approach to Earth this fall, before disappearing into the outer solar system ...

Comet Lemmon is currently racing toward the Sun, while the fainter Comet SWAN is moving away. Both are set to make their ...

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

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Spirals ...

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

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere ...