The sky is filled with rare celestial treats this week. Want to spot some cool comets? Here's what to know about comets ...

Comets Lemmon (C/2025 A6) and SWAN (C/2025 R2) are both currently visible, while the Orionid meteor shower is in the midst of ...

Two comets will be visible from Earth this week, SWAN and Lemmon. Discover where to look and the most effective way to spot ...

Astronomer Gianluca Masi and his Virtual Telescope Project will host a special livestream on Oct. 24 beginning at 1:30 p.m.

The cosmic snowball, made up of frozen gases, dust and rock, is hurling past Earth at around 135,000 mph. Its orbital period ...

This week's night sky will include a new comet that hasn't flown past Earth in over a thousand years -- and it won't be ...

For those of you who like interesting night sky phenomena, there are actually two comets that are visible right now. Comet ...

Skywatchers can catch a rare glimpse of Comet Lemmon this month, and it won't be back until around the year 3175. Here's how ...

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

An astrophotographer snapped a stunning shot of Comet Lemmon's flowing tail getting shredded by a strong gust of solar wind, ...

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

To photograph the comet, Alton Spencer left Danbury, finding darker and elevated spots in Bridgewater and Warren.