Discovered Jan. 3, 2025, by the 60-inch telescope at the Mount Lemmon Survey near Tucson, Arizona, Comet C/2025 A6 (Lemmon) ...

NASA confirms 3I/ATLAS visible tonight — learn when and where to spot the rare interstellar comet lighting up Earth's skies ...

Astronomer Gianluca Masi captured spectacular footage of a glowing meteor trail wrapping around the colossal tail of Comet ...

The 3I/ATLAS comet was first spotted in July near Jupiter after it entered our solar system from another universe. Here’s ...

I/ATLAS is set to reach its closest point to the Sun on Wednesday (October 29), at around 11:47 Universal Time (UT). The ...

The strange case of 3I/ATLAS, the interstellar object now moving through our solar system, has taken a wild turn. Footage ...

Usually, sunlight makes cometary gases glow green from diatomic carbon (C2) or blue from ionized carbon monoxide (CO+). With ...

New images captured by NASA, which have not yet been released yet, show the changing tail of 3I/Atlas. The comet is currently ...

Two comets, Lemmon and SWAN, are visible in the night sky through October 2025. Comet Lemmon will appear green and is best viewed in the northwest sky after sunset. Comet SWAN is dimmer and best ...

SALT LAKE CITY — With October's Harvest Moon having passed us by, and November's Beaver Moon still a couple of weeks away, two new comets are peaking through the evening sky, giving stargazers ...

According to StarWalk, the best time to observe Comet Lemmon is now until November 2. The stargazing website predicted it ...

TOLEDO, Ohio — Skywatchers have a rare cosmic visitor to look forward to this month. Comet C/2025 R2 (SWAN), first spotted in September by NASA’s Solar Wind Anisotropies instrument aboard the SOHO ...