Comet Lemmon can be seen in the northwestern sky near the bright star Arcturus. Skywatchers should use the Big Dipper to ...

Researchers rarely get a glimpse of an interstellar object up close like 3I-ATLAS, so they have jumped on the opportunity to learn about its composition, which can reveal how planet systems are made.

Comet C/2025 A6 (Lemmon) was discovered early this year by one of the telescopes on — you guessed it — Mount Lemmon, where ...

Spotting two comets simultaneously without special equipment is “rare, but not unprecedented,” said Carson Fuls, director of ...

Stargazers in Southern Arizona have an exciting opportunity to catch a glimpse of Comet Lemmon, but time is running out.

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

Comet Lemmon is now visible with comet SWAN after sunset while also remaining visible before dawn for Northern Hemisphere skywatchers.

Comets SWAN and Lemmon, both discovered this year, have arrived near Earth from the outer region of the solar system.

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

CAPE CANAVERAL, Fla. (AP) — A newly discovered comet is streaking past Earth, providing a stunning nighttime show after buzzing the sun and expanding its tail. Comet Neowise was spotted by the NASA ...

Another comet, C/2025 A6 Lemmon, is possibly becoming bright enough to be visible to the naked eye in the coming days.(WTOP/Greg Redfern) A year ago, the D.C. region was enthralled with Comet A3 ...

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